Ragost, Deft Gastronaut (Commander) - Affinity

Josh Nelson
Jun 23, 2026
The 5 Creatures Most Worthy of Wielding Mjölnir, Hammer of Thor
This article will detail the five creatures most worthy of arming themselves with Mjölnir, the legendary hammer of Thor.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Ark of Hunger
25%inclusion3 decks12 decks
16%synergy
Mjölnir, Hammer of Thor
20%inclusion1 decks5 decks
16%synergy
Castle Doom
20%inclusion1 decks5 decks
20%synergy
Vision of Love
20%inclusion1 decks5 decks
20%synergy
High Synergy Cards
Weapons Manufacturing
95%inclusion36 decks38 decks
87%synergy
Nuka-Cola Vending Machine
84%inclusion32 decks38 decks
80%synergy
Academy Manufactor
79%inclusion30 decks38 decks
74%synergy
Ichor Wellspring
79%inclusion30 decks38 decks
72%synergy
Prized Statue
71%inclusion27 decks38 decks
67%synergy
Nutrient Block
63%inclusion24 decks38 decks
59%synergy
Myr Retriever
63%inclusion24 decks38 decks
58%synergy
Crime Novelist
61%inclusion23 decks38 decks
57%synergy
Basilisk Collar
71%inclusion27 decks38 decks
57%synergy
Great Furnace
68%inclusion26 decks38 decks
56%synergy
Top Cards
Swords to Plowshares
74%inclusion28 decks38 decks
8%synergy
Reckless Fireweaver
61%inclusion23 decks38 decks
54%synergy
Weftstalker Ardent
61%inclusion23 decks38 decks
51%synergy
Haliya, Guided by Light
61%inclusion23 decks38 decks
52%synergy
Junk Diver
58%inclusion22 decks38 decks
55%synergy
Sami, Wildcat Captain
58%inclusion22 decks38 decks
53%synergy
Path to Exile
58%inclusion22 decks38 decks
1%synergy
Dispatch
55%inclusion21 decks38 decks
42%synergy
Scrap Trawler
55%inclusion21 decks38 decks
49%synergy
Foundry Inspector
55%inclusion21 decks38 decks
46%synergy
Game Changers
Smothering Tithe
50%inclusion19 decks38 decks
31%synergy
Enlightened Tutor
26%inclusion10 decks38 decks
11%synergy
Teferi's Protection
16%inclusion6 decks38 decks
-0%synergy
Farewell
13%inclusion5 decks38 decks
3%synergy
Gamble
11%inclusion4 decks38 decks
4%synergy
Jeska's Will
7.9%inclusion3 decks38 decks
-8%synergy
The One Ring
7.9%inclusion3 decks38 decks
2%synergy
Ancient Tomb
5.3%inclusion2 decks38 decks
-2%synergy
Underworld Breach
5.3%inclusion2 decks38 decks
3%synergy
Drannith Magistrate
5.3%inclusion2 decks38 decks
1%synergy
Creatures
Treasure Nabber
55%inclusion21 decks38 decks
51%synergy
Solemn Simulacrum
53%inclusion20 decks38 decks
31%synergy
Astrid Peth
53%inclusion20 decks38 decks
50%synergy
Ratchet, Field Medic
42%inclusion16 decks38 decks
40%synergy
Goblin Engineer
42%inclusion16 decks38 decks
37%synergy
Syr Ginger, the Meal Ender
39%inclusion15 decks38 decks
37%synergy
Esper Sentinel
39%inclusion15 decks38 decks
15%synergy
Loyal Apprentice
39%inclusion15 decks38 decks
25%synergy
Apothecary White
37%inclusion14 decks38 decks
35%synergy
Stridehangar Automaton
34%inclusion13 decks38 decks
31%synergy
The Gaffer
34%inclusion13 decks38 decks
31%synergy
Ingenious Artillerist
32%inclusion12 decks38 decks
28%synergy
Illustrious Wanderglyph
32%inclusion12 decks38 decks
28%synergy
Marvin, Murderous Mimic
26%inclusion10 decks38 decks
22%synergy
Voyager Quickwelder
26%inclusion10 decks38 decks
23%synergy
Filigree Familiar
26%inclusion10 decks38 decks
25%synergy
Farid, Enterprising Salvager
24%inclusion9 decks38 decks
23%synergy
Leonin Elder
24%inclusion9 decks38 decks
22%synergy
Exalted Sunborn
24%inclusion9 decks38 decks
19%synergy
Hellkite Tyrant
24%inclusion9 decks38 decks
20%synergy
Circuit Mender
21%inclusion8 decks38 decks
17%synergy
Iron Myr
21%inclusion8 decks38 decks
14%synergy
Gold Myr
21%inclusion8 decks38 decks
13%synergy
Bre of Clan Stoutarm
21%inclusion4 decks19 decks
17%synergy
Osgir, the Reconstructor
21%inclusion8 decks38 decks
19%synergy
Drumbellower
18%inclusion7 decks38 decks
16%synergy
Anim Pakal, Thousandth Moon
18%inclusion7 decks38 decks
6%synergy
Goblin Welder
18%inclusion7 decks38 decks
15%synergy
Hangarback Walker
18%inclusion7 decks38 decks
17%synergy
Workshop Assistant
16%inclusion6 decks38 decks
14%synergy
Ornithopter of Paradise
16%inclusion6 decks38 decks
3%synergy
Chandra's Incinerator
16%inclusion6 decks38 decks
14%synergy
Arcbound Ravager
16%inclusion6 decks38 decks
14%synergy
Arbaaz Mir
16%inclusion6 decks38 decks
12%synergy
Toggo, Goblin Weaponsmith
16%inclusion6 decks38 decks
14%synergy
Soul Warden
16%inclusion6 decks38 decks
11%synergy
Witch Enchanter
13%inclusion5 decks38 decks
0%synergy
Professional Face-Breaker
13%inclusion5 decks38 decks
-1%synergy
Rosie Cotton of South Lane
13%inclusion5 decks38 decks
10%synergy
Zirda, the Dawnwaker
13%inclusion5 decks38 decks
9%synergy
Solphim, Mayhem Dominus
13%inclusion5 decks38 decks
9%synergy
Piggy Bank
13%inclusion5 decks38 decks
12%synergy
Oswald Fiddlebender
13%inclusion5 decks38 decks
9%synergy
Alibou, Ancient Witness
13%inclusion5 decks38 decks
9%synergy
Leonin Abunas
11%inclusion4 decks38 decks
10%synergy
Market Gnome
11%inclusion4 decks38 decks
9%synergy
Ornithopter
11%inclusion4 decks38 decks
6%synergy
Ruin Grinder
11%inclusion4 decks38 decks
10%synergy
Myr Battlesphere
11%inclusion4 decks38 decks
7%synergy
Wurmcoil Engine
11%inclusion4 decks38 decks
8%synergy
Instants
Chaos Warp
45%inclusion17 decks38 decks
15%synergy
Boros Charm
45%inclusion17 decks38 decks
-3%synergy
Big Score
37%inclusion14 decks38 decks
24%synergy
Generous Gift
34%inclusion13 decks38 decks
3%synergy
Deflecting Swat
18%inclusion7 decks38 decks
2%synergy
Unexpected Windfall
16%inclusion6 decks38 decks
7%synergy
Wear // Tear
16%inclusion6 decks38 decks
-4%synergy
Lightning Bolt
13%inclusion5 decks38 decks
3%synergy
Demand Answers
13%inclusion5 decks38 decks
4%synergy
Stroke of Midnight
13%inclusion5 decks38 decks
-3%synergy
Flawless Maneuver
11%inclusion4 decks38 decks
-7%synergy
Lightning Helix
11%inclusion4 decks38 decks
2%synergy
Silence
11%inclusion4 decks38 decks
5%synergy
Legion Leadership
11%inclusion4 decks38 decks
-7%synergy
Restoration Magic
11%inclusion4 decks38 decks
1%synergy
Untimely Malfunction
7.9%inclusion3 decks38 decks
-3%synergy
Dawn's Truce
7.9%inclusion3 decks38 decks
-2%synergy
Bottle-Cap Blast
7.9%inclusion3 decks38 decks
7%synergy
Reprieve
7.9%inclusion3 decks38 decks
-1%synergy
Valakut Awakening
7.9%inclusion3 decks38 decks
1%synergy
Second Sunrise
5.3%inclusion2 decks38 decks
5%synergy
Loran's Escape
5.3%inclusion2 decks38 decks
-2%synergy
Chef's Kiss
5.3%inclusion2 decks38 decks
5%synergy
Blacksmith's Skill
5.3%inclusion2 decks38 decks
-0%synergy
Tibalt's Trickery
5.3%inclusion2 decks38 decks
0%synergy
Sejiri Shelter
5.3%inclusion2 decks38 decks
-3%synergy
Deflecting Palm
5.3%inclusion2 decks38 decks
-14%synergy
Abrade
5.3%inclusion2 decks38 decks
-7%synergy
Mana Tithe
5.3%inclusion2 decks38 decks
3%synergy
Sorceries
Wake the Past
45%inclusion17 decks38 decks
39%synergy
The Battle of Bywater
39%inclusion15 decks38 decks
35%synergy
Blasphemous Act
37%inclusion14 decks38 decks
4%synergy
Sevinne's Reclamation
29%inclusion11 decks38 decks
15%synergy
Vandalblast
21%inclusion8 decks38 decks
6%synergy
Recommission
13%inclusion5 decks38 decks
11%synergy
Reckless Handling
13%inclusion5 decks38 decks
10%synergy
Fumigate
11%inclusion4 decks38 decks
8%synergy
Hijack
11%inclusion4 decks38 decks
9%synergy
Trash for Treasure
11%inclusion4 decks38 decks
9%synergy
Brass's Bounty
7.9%inclusion3 decks38 decks
5%synergy
Faithless Looting
7.9%inclusion3 decks38 decks
-10%synergy
Hit the Mother Lode
7.9%inclusion3 decks38 decks
5%synergy
Open the Vaults
5.3%inclusion2 decks38 decks
4%synergy
Late to Dinner
5.3%inclusion2 decks38 decks
4%synergy
Reckless Impulse
5.3%inclusion2 decks38 decks
3%synergy
Seize the Spoils
5.3%inclusion2 decks38 decks
-0%synergy
Scrap Mastery
5.3%inclusion2 decks38 decks
5%synergy
Pirate's Pillage
5.3%inclusion2 decks38 decks
3%synergy
Light Up the Stage
5.3%inclusion2 decks38 decks
3%synergy
White Sun's Twilight
5.3%inclusion2 decks38 decks
4%synergy
Thrilling Discovery
5.3%inclusion2 decks38 decks
-1%synergy
Sundering Eruption
5.3%inclusion2 decks38 decks
-1%synergy
Beyond the Quiet
5.3%inclusion2 decks38 decks
5%synergy
Orbital Plunge
5.3%inclusion2 decks38 decks
5%synergy
Broadcast Takeover
5.3%inclusion1 decks19 decks
5%synergy
Brilliant Restoration
5.3%inclusion2 decks38 decks
4%synergy
Utility Artifacts
Transmutation Font
55%inclusion21 decks38 decks
53%synergy
Swiftfoot Boots
50%inclusion19 decks38 decks
8%synergy
Lembas
47%inclusion18 decks38 decks
44%synergy
Krark-Clan Ironworks
45%inclusion17 decks38 decks
42%synergy
Mycosynth Wellspring
45%inclusion17 decks38 decks
41%synergy
Mystic Forge
39%inclusion15 decks38 decks
35%synergy
Sting, the Glinting Dagger
37%inclusion14 decks38 decks
34%synergy
Thousand-Year Elixir
34%inclusion13 decks38 decks
31%synergy
Servo Schematic
34%inclusion13 decks38 decks
32%synergy
Aetherflux Reservoir
32%inclusion12 decks38 decks
28%synergy
Implement of Improvement
32%inclusion12 decks38 decks
30%synergy
Lightning Greaves
32%inclusion12 decks38 decks
3%synergy
Grinding Station
29%inclusion11 decks38 decks
28%synergy
Caduceus, Staff of Hermes
29%inclusion11 decks38 decks
22%synergy
Illusionist's Bracers
26%inclusion10 decks38 decks
22%synergy
Thousand Moons Smithy
26%inclusion10 decks38 decks
23%synergy
Nimblewright Schematic
26%inclusion10 decks38 decks
24%synergy
Shadowspear
24%inclusion9 decks38 decks
14%synergy
Mycosynth Lattice
24%inclusion9 decks38 decks
22%synergy
Scrapheap
21%inclusion8 decks38 decks
20%synergy
Implement of Combustion
21%inclusion8 decks38 decks
20%synergy
Instant Ramen
21%inclusion8 decks38 decks
18%synergy
Mithril Coat
18%inclusion7 decks38 decks
8%synergy
Darksteel Forge
18%inclusion7 decks38 decks
17%synergy
Magewright's Stone
16%inclusion6 decks38 decks
14%synergy
Clock of Omens
16%inclusion6 decks38 decks
15%synergy
Idol of Oblivion
16%inclusion6 decks38 decks
4%synergy
Staff of Domination
16%inclusion6 decks38 decks
14%synergy
Spine of Ish Sah
13%inclusion5 decks38 decks
12%synergy
Experimental Synthesizer
13%inclusion5 decks38 decks
12%synergy
Brass's Tunnel-Grinder
13%inclusion5 decks38 decks
10%synergy
Inspiring Statuary
13%inclusion5 decks38 decks
11%synergy
Voltaic Key
11%inclusion4 decks38 decks
10%synergy
Sensei's Divining Top
11%inclusion4 decks38 decks
6%synergy
Cloud Key
11%inclusion4 decks38 decks
8%synergy
The Reaver Cleaver
11%inclusion4 decks38 decks
1%synergy
The Underworld Cookbook
11%inclusion4 decks38 decks
10%synergy
Wayfarer's Bauble
11%inclusion4 decks38 decks
0%synergy
Ashnod's Altar
11%inclusion4 decks38 decks
7%synergy
Sculpting Steel
11%inclusion4 decks38 decks
7%synergy
Amulet of Vigor
11%inclusion4 decks38 decks
10%synergy
Grafted Exoskeleton
11%inclusion4 decks38 decks
9%synergy
Ugin's Nexus
11%inclusion4 decks38 decks
10%synergy
The Fire Crystal
11%inclusion4 decks38 decks
6%synergy
Bagel and Schmear
10%inclusion3 decks29 decks
10%synergy
Unwinding Clock
7.9%inclusion3 decks38 decks
6%synergy
Soul-Guide Lantern
7.9%inclusion3 decks38 decks
6%synergy
Manifold Key
7.9%inclusion3 decks38 decks
7%synergy
Skullclamp
7.9%inclusion3 decks38 decks
-7%synergy
Resurrection Orb
7.9%inclusion3 decks38 decks
7%synergy
Enchantments
Sheltered by Ghosts
29%inclusion11 decks38 decks
24%synergy
Monologue Tax
26%inclusion10 decks38 decks
22%synergy
Authority of the Consuls
24%inclusion9 decks38 decks
18%synergy
Spirit Link
24%inclusion9 decks38 decks
22%synergy
Spirit Loop
21%inclusion8 decks38 decks
19%synergy
Descent into Avernus
18%inclusion7 decks38 decks
15%synergy
City on Fire
18%inclusion7 decks38 decks
13%synergy
Fiery Emancipation
18%inclusion7 decks38 decks
14%synergy
Lifelink
16%inclusion6 decks38 decks
14%synergy
Pia's Revolution
13%inclusion5 decks38 decks
11%synergy
Skrelv's Hive
11%inclusion4 decks38 decks
9%synergy
Felidar Umbra
11%inclusion4 decks38 decks
9%synergy
Land Tax
11%inclusion4 decks38 decks
-1%synergy
Curse of Opulence
11%inclusion4 decks38 decks
5%synergy
Rune of Sustenance
7.9%inclusion3 decks38 decks
6%synergy
Of Herbs and Stewed Rabbit
7.9%inclusion3 decks38 decks
7%synergy
Rising of the Day
7.9%inclusion3 decks38 decks
3%synergy
Ghostly Prison
7.9%inclusion3 decks38 decks
-1%synergy
Fated Firepower
6.5%inclusion2 decks31 decks
6%synergy
Alchemist's Talent
5.3%inclusion2 decks38 decks
5%synergy
Anointed Procession
5.3%inclusion2 decks38 decks
-3%synergy
Gratuitous Violence
5.3%inclusion2 decks38 decks
2%synergy
Impact Tremors
5.3%inclusion2 decks38 decks
-11%synergy
Sidequest: Catch a Fish
5.3%inclusion2 decks38 decks
4%synergy
Dazzling Theater // Prop Room
5.3%inclusion2 decks38 decks
3%synergy
Caretaker's Talent
5.3%inclusion2 decks38 decks
-2%synergy
Cleric Class
5.3%inclusion2 decks38 decks
4%synergy
Liminal Hold
5.3%inclusion1 decks19 decks
5%synergy
Planeswalkers
Tezzeret, Cruel Captain
39%inclusion15 decks38 decks
36%synergy
Daretti, Scrap Savant
26%inclusion10 decks38 decks
22%synergy
Karn, the Great Creator
5.3%inclusion2 decks38 decks
4%synergy
Elspeth, Storm Slayer
5.3%inclusion2 decks38 decks
-1%synergy
Utility Lands
Ancient Den
68%inclusion26 decks38 decks
56%synergy
Inventors' Fair
53%inclusion20 decks38 decks
43%synergy
Buried Ruin
45%inclusion17 decks38 decks
31%synergy
Darksteel Citadel
37%inclusion14 decks38 decks
29%synergy
Treasure Vault
34%inclusion13 decks38 decks
30%synergy
Urza's Saga
29%inclusion11 decks38 decks
19%synergy
Witch's Clinic
24%inclusion9 decks38 decks
22%synergy
Adagia, Windswept Bastion
18%inclusion7 decks38 decks
15%synergy
Secluded Starforge
18%inclusion7 decks38 decks
17%synergy
Reliquary Tower
16%inclusion6 decks38 decks
-3%synergy
Rogue's Passage
16%inclusion6 decks38 decks
-14%synergy
Fomori Vault
11%inclusion4 decks38 decks
9%synergy
Fountainport
11%inclusion4 decks38 decks
7%synergy
Cori Mountain Monastery
7.9%inclusion3 decks38 decks
6%synergy
Hall of the Bandit Lord
7.9%inclusion3 decks38 decks
7%synergy
Mines of Moria
7.9%inclusion3 decks38 decks
4%synergy
Eiganjo, Seat of the Empire
7.9%inclusion3 decks38 decks
-5%synergy
War Room
7.9%inclusion3 decks38 decks
-1%synergy
Temple of the False God
7.9%inclusion3 decks38 decks
-1%synergy
Ishgard, the Holy See
7.9%inclusion3 decks38 decks
3%synergy
Blast Zone
5.3%inclusion2 decks38 decks
5%synergy
Blinkmoth Nexus
5.3%inclusion2 decks38 decks
3%synergy
Cathedral of War
5.3%inclusion2 decks38 decks
4%synergy
Arena of Glory
5.3%inclusion2 decks38 decks
-4%synergy
Crystal Vein
5.3%inclusion2 decks38 decks
5%synergy
Muraganda Raceway
5.3%inclusion2 decks38 decks
4%synergy
Mana Artifacts
Sol Ring
87%inclusion33 decks38 decks
2%synergy
Arcane Signet
74%inclusion28 decks38 decks
-6%synergy
Talisman of Conviction
39%inclusion15 decks38 decks
-12%synergy
Chromatic Star
34%inclusion13 decks38 decks
32%synergy
Patriar's Seal
32%inclusion12 decks38 decks
28%synergy
Liquimetal Torque
32%inclusion12 decks38 decks
27%synergy
Mind Stone
32%inclusion12 decks38 decks
7%synergy
Boros Signet
26%inclusion10 decks38 decks
-23%synergy
Fellwar Stone
24%inclusion9 decks38 decks
-1%synergy
Lotus Petal
13%inclusion5 decks38 decks
8%synergy
Victory Chimes
13%inclusion5 decks38 decks
11%synergy
Golden Egg
7.9%inclusion3 decks38 decks
7%synergy
Wizard's Rockets
7.9%inclusion3 decks38 decks
7%synergy
Terrarion
7.9%inclusion3 decks38 decks
7%synergy
Slagstone Refinery
7.9%inclusion3 decks38 decks
7%synergy
Mox Opal
7.9%inclusion3 decks38 decks
4%synergy
Barrels of Blasting Jelly
6.5%inclusion2 decks31 decks
6%synergy
Commander's Sphere
5.3%inclusion2 decks38 decks
-9%synergy
Pristine Talisman
5.3%inclusion2 decks38 decks
4%synergy
Basalt Monolith
5.3%inclusion2 decks38 decks
3%synergy
Cursed Mirror
5.3%inclusion2 decks38 decks
-2%synergy
Mox Amber
5.3%inclusion2 decks38 decks
1%synergy
Thought Vessel
5.3%inclusion2 decks38 decks
-9%synergy
Lands
Mountain
100%inclusion38 decks38 decks
2%synergy
Plains
100%inclusion38 decks38 decks
2%synergy
Command Tower
92%inclusion35 decks38 decks
6%synergy
Clifftop Retreat
68%inclusion26 decks38 decks
2%synergy
Sacred Foundry
66%inclusion25 decks38 decks
19%synergy
Battlefield Forge
58%inclusion22 decks38 decks
1%synergy
Spectator Seating
42%inclusion16 decks38 decks
3%synergy
Rugged Prairie
39%inclusion15 decks38 decks
-5%synergy
Arid Mesa
39%inclusion15 decks38 decks
11%synergy
Temple of Triumph
39%inclusion15 decks38 decks
2%synergy
Radiant Summit
39%inclusion15 decks38 decks
17%synergy
Sundown Pass
37%inclusion14 decks38 decks
-1%synergy
Sunbillow Verge
37%inclusion14 decks38 decks
13%synergy
Furycalm Snarl
34%inclusion13 decks38 decks
-10%synergy
Rustvale Bridge
34%inclusion13 decks38 decks
22%synergy
Boros Garrison
32%inclusion12 decks38 decks
-5%synergy
Inspiring Vantage
29%inclusion11 decks38 decks
13%synergy
Elegant Parlor
29%inclusion11 decks38 decks
9%synergy
Needleverge Pathway
29%inclusion11 decks38 decks
3%synergy
Spire of Industry
26%inclusion10 decks38 decks
21%synergy
Exotic Orchard
24%inclusion9 decks38 decks
-6%synergy
Evolving Wilds
24%inclusion9 decks38 decks
5%synergy
Wind-Scarred Crag
24%inclusion9 decks38 decks
7%synergy
The Mycosynth Gardens
18%inclusion7 decks38 decks
16%synergy
Sunscorched Divide
18%inclusion7 decks38 decks
-4%synergy
Sunbaked Canyon
16%inclusion6 decks38 decks
-1%synergy
Witch Enchanter
13%inclusion5 decks38 decks
0%synergy
Terramorphic Expanse
13%inclusion5 decks38 decks
-1%synergy
Myriad Landscape
13%inclusion5 decks38 decks
-5%synergy
Glittering Massif
13%inclusion5 decks38 decks
4%synergy
Fabled Passage
11%inclusion4 decks38 decks
-1%synergy
Sacred Peaks
11%inclusion4 decks38 decks
-1%synergy
Legion Leadership
11%inclusion4 decks38 decks
-7%synergy
Turbulent Steppe
8.3%inclusion1 decks12 decks
-10%synergy
Wooded Foothills
7.9%inclusion3 decks38 decks
2%synergy
Boros Guildgate
7.9%inclusion3 decks38 decks
-0%synergy
Gemstone Caverns
7.9%inclusion3 decks38 decks
4%synergy
Bloodstained Mire
7.9%inclusion3 decks38 decks
1%synergy
Valakut Awakening
7.9%inclusion3 decks38 decks
1%synergy
Hidden Hideout
7.1%inclusion1 decks14 decks
7%synergy
Windswept Heath
5.3%inclusion2 decks38 decks
-1%synergy
Cabaretti Courtyard
5.3%inclusion2 decks38 decks
3%synergy
Alpine Meadow
5.3%inclusion2 decks38 decks
-0%synergy
Plaza of Heroes
5.3%inclusion2 decks38 decks
1%synergy
Plateau
5.3%inclusion2 decks38 decks
-7%synergy
Sundering Eruption
5.3%inclusion2 decks38 decks
-1%synergy
Scalding Tarn
5.3%inclusion2 decks38 decks
0%synergy
Sejiri Shelter
5.3%inclusion2 decks38 decks
-3%synergy
Meteor Crater
5.3%inclusion2 decks38 decks
5%synergy
Flooded Strand
5.3%inclusion2 decks38 decks
-1%synergy