Crime Novelist + Krark-Clan Ironworks + Myr Retriever + Workshop Assistant

Crime Novelist
Krark-Clan Ironworks
Myr Retriever
Workshop Assistant

Requires
Crime Novelist must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. Myr Retriever must be on the battlefield. Workshop Assistant must be on the battlefield. One of the artifact creatures must be on the battlefield, with the other in your graveyard.
Steps
  1. Activate Krark-Clan Ironworks by sacrificing the artifact creature, adding .
  2. When the artifact creature dies, it and Crime Novelist trigger.
  3. Resolve the artifact creature's trigger, returning the other artifact creature from your graveyard to your hand.
  4. Resolve the Crime Novelist trigger, adding and putting a +1/+1 counter on it.
  5. Cast the artifact creature from your hand by paying its mana cost.
  6. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite storm count. Infinite +1/+1 counters on Crime Novelist. Infinite colorless mana. Infinite red mana.

Daretti, Rocketeer Engineer
1.45% of 275 decks 4 decks
Top Commanders
Farid, Enterprising Salvager
15.76% of 349 decks 55 decks
Jan Jansen, Chaos Crafter
1.75% of 2795 decks 49 decks
Imskir Iron-Eater
1.06% of 3109 decks 33 decks
Krenko, Baron of Tin Street
2.57% of 934 decks 24 decks
Breya, Etherium Shaper
0.22% of 10653 decks 23 decks
Daretti, Scrap Savant
1.06% of 1886 decks 20 decks
Slobad, Goblin Tinkerer
14.29% of 133 decks 19 decks
Flamewar, Brash Veteran
1.85% of 813 decks 15 decks
Herigast, Erupting Nullkite
0.40% of 2496 decks 10 decks
Gerrard, Weatherlight Hero
3.08% of 325 decks 10 decks
Keskit, the Flesh Sculptor // Toggo, Goblin Weaponsmith
4.79% of 188 decks 9 decks
Slobad, Iron Goblin
3.14% of 255 decks 8 decks
Ashnod the Uncaring
0.54% of 1480 decks 8 decks
Osgir, the Reconstructor
0.21% of 3319 decks 7 decks
Meria, Scholar of Antiquity
0.32% of 2203 decks 7 decks
Arbaaz Mir
0.52% of 969 decks 5 decks
Zabaz, the Glimmerwasp
0.34% of 1465 decks 5 decks
New Cards
Repurposing Bay
33% of 12 decks +32% synergy
Demonic Junker
15% of 27 decks +14% synergy
Radiant Lotus
14% of 65 decks +13% synergy
Pactdoll Terror
11% of 27 decks +11% synergy
Daretti, Rocketeer Engineer
4% of 155 decks +4% synergy
High Synergy Cards
Scrap Trawler
92% of 382 decks +90% synergy
Junk Diver
81% of 382 decks +80% synergy
Etherium Sculptor
80% of 51 decks +75% synergy
Ichor Wellspring
76% of 382 decks +75% synergy
Vault of Whispers
79% of 165 decks +74% synergy
Foundry Inspector
75% of 382 decks +71% synergy
Goblin Engineer
74% of 382 decks +71% synergy
Goblin Welder
69% of 382 decks +67% synergy
Ancient Den
71% of 115 decks +66% synergy
Great Furnace
71% of 382 decks +65% synergy
Top Cards
Emry, Lurker of the Loch
69% of 51 decks +65% synergy
Sai, Master Thopterist
67% of 51 decks +63% synergy
Enthusiastic Mechanaut
63% of 51 decks +59% synergy
Reckless Fireweaver
61% of 382 decks +57% synergy
Marionette Apprentice
57% of 138 decks +52% synergy
Haywire Mite
57% of 14 decks +53% synergy
Jhoira, Weatherlight Captain
57% of 51 decks +51% synergy
Mind Stone
54% of 382 decks +38% synergy
Solemn Simulacrum
54% of 382 decks +40% synergy
Mayhem Devil
53% of 165 decks +43% synergy
Game Changers
Urza, Lord High Artificer
39% of 51 decks +36% synergy
Smothering Tithe
33% of 115 decks +9% synergy
Enlightened Tutor
30% of 115 decks +13% synergy
Bolas's Citadel
24% of 165 decks +16% synergy
Jeska's Will
24% of 382 decks +7% synergy
Mana Vault
19% of 382 decks +13% synergy
Ancient Tomb
18% of 382 decks +8% synergy
The One Ring
17% of 382 decks +9% synergy
Underworld Breach
13% of 382 decks +7% synergy
Grim Monolith
7% of 382 decks +5% synergy
Creatures
Oswald Fiddlebender
52% of 115 decks +51% synergy
Disciple of the Vault
50% of 165 decks +48% synergy
Marionette Master
47% of 165 decks +43% synergy
Forensic Gadgeteer
45% of 51 decks +43% synergy
Esper Sentinel
43% of 115 decks +23% synergy
Thought Monitor
41% of 51 decks +38% synergy
Teshar, Ancestor's Apostle
40% of 115 decks +38% synergy
Ingenious Artillerist
35% of 382 decks +33% synergy
Jhoira's Familiar
33% of 382 decks +31% synergy
Scrap Welder
32% of 382 decks +32% synergy
Slobad, Goblin Tinkerer
29% of 382 decks +28% synergy
Meria, Scholar of Antiquity
29% of 14 decks +28% synergy
Cradle Clearcutter
29% of 14 decks +28% synergy
Sarinth Steelseeker
29% of 14 decks +28% synergy
Pitiless Plunderer
28% of 165 decks +21% synergy
Mirkwood Bats
28% of 165 decks +18% synergy
Kuldotha Forgemaster
28% of 382 decks +27% synergy
Kambal, Profiteering Mayor
26% of 70 decks +19% synergy
Wurmcoil Engine
25% of 382 decks +23% synergy
Baleful Strix
24% of 38 decks +11% synergy
Vedalken Archmage
24% of 51 decks +22% synergy
Padeem, Consul of Innovation
24% of 51 decks +20% synergy
Phyrexian Metamorph
24% of 51 decks +16% synergy
Dross Scorpion
22% of 382 decks +22% synergy
Myr Battlesphere
22% of 382 decks +20% synergy
Copper Myr
21% of 14 decks +20% synergy
Kami of Whispered Hopes
21% of 14 decks +15% synergy
Hedron Detonator
21% of 382 decks +20% synergy
Metalwork Colossus
21% of 382 decks +20% synergy
Academy Manufactor
19% of 382 decks +15% synergy
Drumbellower
19% of 115 decks +17% synergy
Losheel, Clockwork Scholar
19% of 115 decks +16% synergy
Lotho, Corrupt Shirriff
19% of 79 decks +6% synergy
Ornithopter of Paradise
19% of 382 decks +14% synergy
Mondrak, Glory Dominus
18% of 115 decks +10% synergy
The Reality Chip
18% of 51 decks +14% synergy
Audacious Reshapers
18% of 382 decks +17% synergy
Quicksmith Genius
17% of 382 decks +16% synergy
Iron Myr
16% of 382 decks +13% synergy
Arcbound Ravager
16% of 382 decks +16% synergy
Meteor Golem
16% of 382 decks +14% synergy
Treasure Nabber
15% of 382 decks +13% synergy
Cathodion
15% of 382 decks +15% synergy
Mycosynth Golem
15% of 382 decks +14% synergy
Walking Ballista
15% of 382 decks +12% synergy
Sharuum the Hegemon
15% of 27 decks +13% synergy
Imotekh the Stormlord
15% of 165 decks +14% synergy
Noxious Gearhulk
15% of 165 decks +11% synergy
Syr Ginger, the Meal Ender
14% of 382 decks +14% synergy
Arcbound Condor
14% of 135 decks +14% synergy
Instants
Swords to Plowshares
49% of 115 decks -14% synergy
Deadly Dispute
45% of 165 decks +34% synergy
Chaos Warp
43% of 382 decks +12% synergy
Path to Exile
37% of 115 decks -9% synergy
Dispatch
36% of 115 decks +31% synergy
Demand Answers
29% of 382 decks +24% synergy
Heroic Intervention
29% of 14 decks -1% synergy
Abrade
22% of 382 decks +11% synergy
Generous Gift
22% of 115 decks -3% synergy
Whir of Invention
22% of 51 decks +19% synergy
Anguished Unmaking
22% of 79 decks -2% synergy
Nature's Claim
21% of 14 decks +13% synergy
Big Score
21% of 382 decks +12% synergy
Vampiric Tutor
20% of 165 decks +2% synergy
Counterspell
20% of 51 decks -23% synergy
Deflecting Swat
19% of 382 decks +3% synergy
Cyclonic Rift
18% of 51 decks -9% synergy
Terminate
16% of 165 decks -4% synergy
Boros Charm
16% of 115 decks -9% synergy
Fell the Profane
15% of 138 decks +7% synergy
Despark
15% of 79 decks +0% synergy
Unexpected Windfall
15% of 382 decks +8% synergy
Second Sunrise
15% of 115 decks +14% synergy
Desynchronization
15% of 41 decks +12% synergy
Dark Ritual
14% of 165 decks -9% synergy
Faith's Reward
14% of 115 decks +13% synergy
An Offer You Can't Refuse
14% of 51 decks -7% synergy
Fanatical Offering
13% of 165 decks +12% synergy
Malakir Rebirth
13% of 165 decks +5% synergy
Bedevil
13% of 165 decks -0% synergy
Tibalt's Trickery
13% of 382 decks +8% synergy
Burnt Offering
12% of 165 decks +10% synergy
Rakdos Charm
12% of 165 decks -2% synergy
Wild Magic Surge
12% of 382 decks +9% synergy
Swan Song
12% of 51 decks -5% synergy
Negate
12% of 51 decks -11% synergy
Untimely Malfunction
11% of 208 decks +4% synergy
Red Elemental Blast
11% of 382 decks +4% synergy
Thrill of Possibility
10% of 382 decks +0% synergy
Lightning Bolt
10% of 382 decks -0% synergy
Deadly Rollick
10% of 165 decks -1% synergy
Pyroblast
10% of 382 decks +4% synergy
Waterlogged Teachings
10% of 31 decks +6% synergy
Teferi's Protection
10% of 115 decks -10% synergy
Reckoner's Bargain
9% of 165 decks +8% synergy
Dovin's Veto
9% of 33 decks -9% synergy
Sacrifice
8% of 165 decks +8% synergy
Thirst for Knowledge
8% of 51 decks +6% synergy
Muddle the Mixture
8% of 51 decks +3% synergy
Arcane Denial
8% of 51 decks -12% synergy
Sorceries
Trash for Treasure
42% of 382 decks +41% synergy
Blasphemous Act
37% of 382 decks +4% synergy
Scrap Mastery
37% of 382 decks +36% synergy
Fabricate
31% of 51 decks +26% synergy
Reckless Handling
30% of 382 decks +29% synergy
Gamble
28% of 382 decks +18% synergy
Faithless Looting
26% of 382 decks +9% synergy
Vandalblast
25% of 382 decks +10% synergy
Sevinne's Reclamation
23% of 115 decks +16% synergy
Demonic Tutor
22% of 165 decks +1% synergy
Thoughtcast
22% of 51 decks +18% synergy
Finale of Devastation
21% of 14 decks +13% synergy
Bala Ged Recovery
21% of 14 decks +13% synergy
Reshape
20% of 51 decks +18% synergy
Feed the Swarm
19% of 165 decks +2% synergy
Saheeli's Directive
15% of 382 decks +15% synergy
Damn
14% of 79 decks -2% synergy
Wake the Past
13% of 115 decks +10% synergy
Toxic Deluge
12% of 165 decks -6% synergy
Diabolic Intent
12% of 165 decks +3% synergy
Terisiare's Devastation
11% of 165 decks +10% synergy
Ruinous Ultimatum
10% of 79 decks -8% synergy
Windfall
10% of 51 decks -3% synergy
Organic Extinction
9% of 115 decks +6% synergy
Their Name Is Death
8% of 165 decks +7% synergy
Wheel of Fortune
7% of 382 decks +2% synergy
Open the Vaults
7% of 115 decks +6% synergy
Morbid Curiosity
7% of 165 decks +6% synergy
Austere Command
6% of 115 decks -7% synergy
Follow the Bodies
6% of 51 decks +6% synergy
Mana Geyser
6% of 382 decks -1% synergy
Sundering Eruption
6% of 300 decks +2% synergy
Seize the Spoils
5% of 382 decks +2% synergy
Wheel of Misfortune
5% of 382 decks +2% synergy
Blood Money
5% of 165 decks +3% synergy
Beseech the Mirror
5% of 165 decks +2% synergy
Vindicate
5% of 79 decks -1% synergy
Utility Artifacts
Thopter Foundry
52% of 27 decks +50% synergy
Prized Statue
49% of 382 decks +48% synergy
Mystic Forge
47% of 382 decks +44% synergy
Oni-Cult Anvil
43% of 165 decks +41% synergy
Mycosynth Wellspring
41% of 382 decks +41% synergy
Ashnod's Altar
38% of 382 decks +31% synergy
Chromatic Star
38% of 382 decks +37% synergy
Time Sieve
37% of 38 decks +34% synergy
Mephitic Draught
35% of 165 decks +35% synergy
Sculpting Steel
34% of 382 decks +32% synergy
Cloud Key
34% of 382 decks +32% synergy
Spine of Ish Sah
31% of 382 decks +30% synergy
Wayfarer's Bauble
29% of 382 decks +19% synergy
Servo Schematic
29% of 382 decks +28% synergy
Mishra's Bauble
29% of 382 decks +28% synergy
Ozolith, the Shattered Spire
29% of 14 decks +23% synergy
Moonsilver Key
28% of 382 decks +27% synergy
Aether Spellbomb
27% of 51 decks +26% synergy
Clock of Omens
27% of 382 decks +26% synergy
Skullclamp
26% of 382 decks +14% synergy
Trading Post
26% of 382 decks +25% synergy
Lotus Petal
24% of 382 decks +17% synergy
Pyrite Spellbomb
23% of 382 decks +23% synergy
Grinding Station
23% of 382 decks +23% synergy
Nimblewright Schematic
23% of 382 decks +22% synergy
Sensei's Divining Top
23% of 382 decks +17% synergy
Mossfire Egg
21% of 14 decks +21% synergy
The Great Henge
21% of 14 decks +12% synergy
Nihil Spellbomb
21% of 165 decks +20% synergy
Swiftfoot Boots
21% of 382 decks -7% synergy
Thopter Shop
21% of 115 decks +20% synergy
Lightning Greaves
19% of 382 decks -6% synergy
Soul-Guide Lantern
19% of 382 decks +17% synergy
Commander's Sphere
19% of 382 decks +4% synergy
Skycloud Egg
18% of 33 decks +18% synergy
Esoteric Duplicator
18% of 45 decks +17% synergy
Wishclaw Talisman
18% of 165 decks +12% synergy
Idol of Oblivion
17% of 382 decks +13% synergy
Chromatic Sphere
17% of 382 decks +17% synergy
Vat of Rebirth
17% of 165 decks +15% synergy
Cranial Ram
17% of 138 decks +15% synergy
Cranial Plating
16% of 165 decks +14% synergy
Darkwater Egg
16% of 38 decks +16% synergy
Encroaching Mycosynth
16% of 51 decks +15% synergy
Semblance Anvil
15% of 382 decks +14% synergy
Voltaic Key
15% of 382 decks +14% synergy
Unwinding Clock
14% of 382 decks +12% synergy
Implement of Combustion
14% of 382 decks +14% synergy
Mycosynth Lattice
14% of 382 decks +13% synergy
Conjurer's Bauble
13% of 382 decks +13% synergy
Enchantments
Mirrodin Besieged
37% of 51 decks +35% synergy
Pia's Revolution
31% of 382 decks +30% synergy
Greater Good
29% of 14 decks +24% synergy
Branching Evolution
29% of 14 decks +23% synergy
Hardened Scales
29% of 14 decks +19% synergy
Rhythm of the Wild
29% of 14 decks +5% synergy
Biotransference
27% of 165 decks +26% synergy
Efficient Construction
24% of 51 decks +22% synergy
Agent of the Iron Throne
22% of 165 decks +20% synergy
Guardian Project
21% of 14 decks +13% synergy
Anointed Procession
21% of 115 decks +12% synergy
Storm the Vault
18% of 51 decks +15% synergy
Rhystic Study
18% of 51 decks -9% synergy
Ghirapur Aether Grid
16% of 382 decks +15% synergy
Intruder Alarm
12% of 51 decks +10% synergy
Goblin Bombardment
10% of 382 decks +4% synergy
Impact Tremors
10% of 382 decks +1% synergy
Dazzling Theater // Prop Room
10% of 61 decks +6% synergy
Thopter Spy Network
10% of 51 decks +6% synergy
Whirlwind of Thought
9% of 33 decks -1% synergy
Revel in Riches
8% of 165 decks +5% synergy
Blood Moon
8% of 382 decks +5% synergy
Training Grounds
8% of 51 decks +5% synergy
Mystic Remora
8% of 51 decks -10% synergy
Hidden Stockpile
8% of 79 decks +6% synergy
Mechanized Production
6% of 51 decks +3% synergy
The Brothers' War
5% of 382 decks +5% synergy
Makeshift Munitions
5% of 382 decks +5% synergy
Planeswalkers
Daretti, Scrap Savant
50% of 382 decks +48% synergy
Saheeli, Sublime Artificer
20% of 51 decks +15% synergy
Daretti, Ingenious Iconoclast
16% of 165 decks +16% synergy
Tezzeret, Master of the Bridge
16% of 38 decks +13% synergy
Ugin, the Ineffable
12% of 382 decks +10% synergy
Tezzeret the Seeker
10% of 51 decks +7% synergy
Karn, the Great Creator
7% of 382 decks +6% synergy
Utility Lands
Seat of the Synod
65% of 51 decks +58% synergy
Tree of Tales
64% of 14 decks +62% synergy
Darksteel Citadel
58% of 382 decks +55% synergy
Buried Ruin
57% of 382 decks +52% synergy
Inventors' Fair
52% of 382 decks +48% synergy
Academy Ruins
35% of 51 decks +30% synergy
Treasure Vault
34% of 382 decks +31% synergy
Urza's Saga
33% of 382 decks +26% synergy
Bojuka Bog
29% of 165 decks -1% synergy
Archway of Innovation
22% of 41 decks +19% synergy
Boseiju, Who Endures
21% of 14 decks +3% synergy
Reliquary Tower
17% of 382 decks -13% synergy
Fomori Vault
16% of 328 decks +15% synergy
War Room
15% of 382 decks +9% synergy
Phyrexia's Core
11% of 382 decks +10% synergy
Phyrexian Tower
10% of 165 decks +2% synergy
Otawara, Soaring City
10% of 51 decks -7% synergy
Takenuma, Abandoned Mire
10% of 165 decks -0% synergy
Urza's Mine
8% of 382 decks +7% synergy
Urza's Tower
8% of 382 decks +7% synergy
Rogue's Passage
8% of 382 decks -11% synergy
Urza's Power Plant
8% of 382 decks +6% synergy
Forgotten Cave
8% of 382 decks +3% synergy
Arena of Glory
7% of 295 decks +1% synergy
Eiganjo, Seat of the Empire
7% of 115 decks -1% synergy
Urborg, Tomb of Yawgmoth
7% of 382 decks -3% synergy
Mines of Moria
7% of 382 decks +3% synergy
Cephalid Coliseum
6% of 51 decks +3% synergy
Mishra's Workshop
5% of 382 decks +5% synergy
Cabal Coffers
5% of 165 decks -5% synergy
Monumental Henge
5% of 92 decks +3% synergy
Temple of the False God
5% of 382 decks -4% synergy
Minas Tirith
5% of 115 decks -2% synergy
Mana Artifacts
Sol Ring
92% of 382 decks +8% synergy
Arcane Signet
77% of 382 decks +5% synergy
Liquimetal Torque
58% of 382 decks +54% synergy
Talisman of Impulse
50% of 14 decks +41% synergy
Talisman of Indulgence
50% of 165 decks +23% synergy
Rakdos Signet
48% of 165 decks +19% synergy
Talisman of Creativity
43% of 51 decks +14% synergy
Talisman of Progress
39% of 33 decks +15% synergy
Talisman of Conviction
38% of 115 decks +15% synergy
Gruul Signet
36% of 14 decks +24% synergy
Talisman of Dominance
34% of 38 decks +2% synergy
Talisman of Hierarchy
32% of 79 decks +7% synergy
Orzhov Signet
32% of 79 decks +5% synergy
Boros Signet
29% of 115 decks +6% synergy
Slagstone Refinery
29% of 382 decks +28% synergy
Fellwar Stone
27% of 382 decks +6% synergy
Dimir Signet
24% of 38 decks -5% synergy
Mox Opal
24% of 382 decks +19% synergy
Cursed Mirror
23% of 382 decks +18% synergy
Crystal Skull, Isu Spyglass
22% of 41 decks +20% synergy
Izzet Signet
22% of 51 decks -6% synergy
Thought Vessel
19% of 382 decks +2% synergy
Thran Dynamo
16% of 382 decks +11% synergy
Basalt Monolith
16% of 382 decks +13% synergy
Everflowing Chalice
13% of 382 decks +9% synergy
Mox Amber
13% of 382 decks +8% synergy
Coveted Jewel
12% of 382 decks +10% synergy
Mana Crypt
10% of 382 decks +3% synergy
Azorius Signet
9% of 33 decks -16% synergy
Chrome Mox
9% of 382 decks +2% synergy
Gilded Lotus
8% of 382 decks +5% synergy
Patriar's Seal
8% of 382 decks +6% synergy
Fire Diamond
8% of 382 decks +3% synergy
Prophetic Prism
6% of 382 decks +6% synergy
Springleaf Drum
5% of 382 decks +4% synergy
Mox Diamond
5% of 382 decks +1% synergy
Lands
Stomping Ground
71% of 14 decks +31% synergy
Drossforge Bridge
53% of 165 decks +49% synergy
Blood Crypt
53% of 165 decks +15% synergy
Command Tower
51% of 382 decks -23% synergy
Sacred Foundry
50% of 115 decks +15% synergy
Karplusan Forest
50% of 14 decks +33% synergy
Spire Garden
50% of 14 decks +26% synergy
Cinder Glade
50% of 14 decks +11% synergy
Godless Shrine
48% of 79 decks +8% synergy
Goldmire Bridge
47% of 79 decks +42% synergy
Rustvale Bridge
46% of 115 decks +41% synergy
Luxury Suite
41% of 165 decks +15% synergy
Silverbluff Bridge
41% of 51 decks +35% synergy
Spectator Seating
40% of 115 decks +15% synergy
Mistvault Bridge
39% of 38 decks +35% synergy
Razortide Bridge
39% of 33 decks +33% synergy
Battlefield Forge
38% of 115 decks +13% synergy
Sulfurous Springs
38% of 165 decks +17% synergy
Dragonskull Summit
38% of 165 decks +6% synergy
Steam Vents
37% of 51 decks -1% synergy
Slagwoods Bridge
36% of 14 decks +33% synergy
Taiga
36% of 14 decks +23% synergy
Savai Triome
35% of 79 decks +9% synergy
Vault of Champions
34% of 79 decks +9% synergy
Watery Grave
32% of 38 decks -9% synergy
Smoldering Marsh
30% of 165 decks -3% synergy
Caves of Koilos
29% of 79 decks +0% synergy
Morphic Pool
29% of 38 decks +3% synergy
Rockfall Vale
29% of 14 decks +7% synergy
Rootbound Crag
29% of 14 decks +4% synergy
Training Center
27% of 51 decks +1% synergy
Raugrin Triome
27% of 33 decks +1% synergy
Hallowed Fountain
27% of 33 decks -13% synergy
Clifftop Retreat
27% of 115 decks -3% synergy
Xander's Lounge
26% of 38 decks +0% synergy
Nomad Outpost
24% of 79 decks -4% synergy
Shivan Reef
22% of 51 decks -6% synergy
Copperline Gorge
21% of 14 decks +16% synergy
Sheltered Thicket
21% of 14 decks +13% synergy
Commercial District
21% of 14 decks +12% synergy
Underground Sea
21% of 38 decks +7% synergy
Spire of Industry
21% of 382 decks +18% synergy
The Mycosynth Gardens
20% of 382 decks +18% synergy
Exotic Orchard
20% of 382 decks -16% synergy
Bloodstained Mire
20% of 382 decks +9% synergy
Sulfur Falls
20% of 51 decks -12% synergy
Raffine's Tower
19% of 27 decks -8% synergy
Crumbling Necropolis
18% of 38 decks -13% synergy
Sundown Pass
18% of 115 decks +3% synergy
Adarkar Wastes
18% of 33 decks -1% synergy