Bre of Clan Stoutarm
1decks
Top Commanders
Sami, Wildcat Captain
231decks
Nahiri, Forged in Fury
84decks
Ragost, Deft Gastronaut
34decks
Alibou, Ancient Witness
19decks
Zabaz, the Glimmerwasp
10decks
Osgir, the Reconstructor
10decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
6decks
Pia Nalaar, Consul of Revival
4decks
Arbaaz Mir
4decks
Akiri, Fearless Voyager
3decks
Mabel, Heir to Cragflame
3decks
Brion Stoutarm
2decks
Kellan, the Fae-Blooded
2decks
The Jolly Balloon Man
2decks
Lightning, Army of One
2decks
Kassandra, Eagle Bearer
2decks
Zirda, the Dawnwaker
2decks
General Ferrous Rokiric
2decks
Amy Rose
2decks
Gut, True Soul Zealot // Inspiring Leader
1decks
Caparocti Sunborn
1decks
Ajani, Nacatl Pariah
1decks
Akiri, Line-Slinger // Rograkh, Son of Rohgahh
1decks
Odric, Blood-Cursed
1decks
New Cards
Hexing Squelcher
11%inclusion11 decks104 decks
4%synergy
Impolite Entrance
3.0%inclusion3 decks101 decks
2%synergy
Bre of Clan Stoutarm
1.9%inclusion2 decks104 decks
-2%synergy
Kirol, Attentive First-Year
1.4%inclusion2 decks146 decks
-4%synergy
Krang, Utrom Warlord
1.3%inclusion1 decks77 decks
1%synergy
High Synergy Cards
Great Furnace
67%inclusion302 decks449 decks
54%synergy
Ancient Den
66%inclusion298 decks449 decks
53%synergy
Darksteel Citadel
53%inclusion238 decks449 decks
45%synergy
Mystic Forge
46%inclusion207 decks449 decks
42%synergy
The Endstone
40%inclusion148 decks370 decks
38%synergy
Treasure Vault
39%inclusion176 decks449 decks
35%synergy
Dispatch
41%inclusion186 decks449 decks
27%synergy
Weapons Manufacturing
36%inclusion135 decks370 decks
26%synergy
Inventors' Fair
35%inclusion156 decks449 decks
25%synergy
Tezzeret, Cruel Captain
29%inclusion108 decks374 decks
25%synergy
Top Cards
Swords to Plowshares
57%inclusion258 decks449 decks
-8%synergy
Swiftfoot Boots
45%inclusion203 decks449 decks
1%synergy
Path to Exile
45%inclusion203 decks449 decks
-11%synergy
Lightning Greaves
41%inclusion186 decks449 decks
13%synergy
Esper Sentinel
41%inclusion185 decks449 decks
16%synergy
Boros Charm
34%inclusion154 decks449 decks
-14%synergy
Solemn Simulacrum
33%inclusion149 decks449 decks
10%synergy
Foundry Inspector
31%inclusion140 decks449 decks
21%synergy
Big Score
31%inclusion138 decks449 decks
20%synergy
Weftstalker Ardent
29%inclusion108 decks370 decks
19%synergy
Game Changers
Smothering Tithe
31%inclusion137 decks449 decks
11%synergy
Enlightened Tutor
27%inclusion121 decks449 decks
11%synergy
Jeska's Will
22%inclusion99 decks449 decks
6%synergy
The One Ring
20%inclusion89 decks449 decks
14%synergy
Ancient Tomb
19%inclusion86 decks449 decks
12%synergy
Mana Vault
16%inclusion71 decks449 decks
12%synergy
Gamble
14%inclusion64 decks449 decks
7%synergy
Chrome Mox
10%inclusion45 decks449 decks
6%synergy
Underworld Breach
7.8%inclusion35 decks449 decks
6%synergy
Grim Monolith
6.5%inclusion29 decks449 decks
5%synergy
Creatures
Ornithopter of Paradise
29%inclusion130 decks449 decks
16%synergy
Puresteel Paladin
27%inclusion119 decks449 decks
8%synergy
Reckless Fireweaver
24%inclusion107 decks449 decks
17%synergy
Gold Myr
23%inclusion105 decks449 decks
15%synergy
Sram, Senior Edificer
23%inclusion104 decks449 decks
4%synergy
Myr Battlesphere
22%inclusion101 decks449 decks
19%synergy
Iron Myr
22%inclusion101 decks449 decks
15%synergy
Bronze Guardian
22%inclusion99 decks449 decks
18%synergy
Myr Retriever
20%inclusion90 decks449 decks
15%synergy
Scrap Trawler
19%inclusion86 decks449 decks
13%synergy
Palladium Myr
18%inclusion81 decks449 decks
16%synergy
Illustrious Wanderglyph
17%inclusion78 decks449 decks
13%synergy
Alibou, Ancient Witness
17%inclusion77 decks449 decks
13%synergy
Bruenor Battlehammer
16%inclusion73 decks449 decks
6%synergy
Akiri, Fearless Voyager
16%inclusion73 decks449 decks
4%synergy
Stoneforge Mystic
16%inclusion71 decks449 decks
5%synergy
Glaring Fleshraker
15%inclusion68 decks442 decks
15%synergy
Blightsteel Colossus
15%inclusion67 decks449 decks
14%synergy
Shimmer Myr
15%inclusion67 decks449 decks
13%synergy
Walking Ballista
14%inclusion64 decks449 decks
12%synergy
Academy Manufactor
14%inclusion63 decks449 decks
9%synergy
Losheel, Clockwork Scholar
14%inclusion61 decks449 decks
7%synergy
Professional Face-Breaker
14%inclusion61 decks449 decks
-1%synergy
Liberator, Urza's Battlethopter
13%inclusion60 decks449 decks
12%synergy
Threefold Thunderhulk
13%inclusion60 decks449 decks
11%synergy
Combustible Gearhulk
13%inclusion60 decks449 decks
10%synergy
Triplicate Titan
13%inclusion59 decks449 decks
11%synergy
Meteor Golem
13%inclusion59 decks449 decks
10%synergy
Danitha Capashen, Paragon
13%inclusion59 decks449 decks
1%synergy
Ragavan, Nimble Pilferer
13%inclusion57 decks449 decks
5%synergy
Ardenn, Intrepid Archaeologist
12%inclusion56 decks449 decks
6%synergy
Jhoira's Familiar
12%inclusion55 decks449 decks
9%synergy
Goblin Engineer
12%inclusion55 decks449 decks
7%synergy
Witch Enchanter
12%inclusion53 decks442 decks
-1%synergy
Angel of the Ruins
12%inclusion53 decks449 decks
8%synergy
Kellan, the Fae-Blooded
12%inclusion53 decks449 decks
4%synergy
Astor, Bearer of Blades
12%inclusion52 decks449 decks
5%synergy
Wurmcoil Engine
11%inclusion51 decks449 decks
8%synergy
Bureau Headmaster
11%inclusion49 decks441 decks
4%synergy
Ancestral Statue
11%inclusion49 decks449 decks
11%synergy
Haliya, Guided by Light
11%inclusion40 decks370 decks
1%synergy
Sandstone Oracle
11%inclusion48 decks449 decks
10%synergy
Kozilek, Butcher of Truth
11%inclusion48 decks449 decks
10%synergy
Oswald Fiddlebender
11%inclusion48 decks449 decks
6%synergy
Anim Pakal, Thousandth Moon
11%inclusion48 decks449 decks
-2%synergy
Sami, Wildcat Captain
11%inclusion39 decks370 decks
5%synergy
Cityscape Leveler
10%inclusion47 decks449 decks
10%synergy
Junk Diver
10%inclusion47 decks449 decks
7%synergy
Reyav, Master Smith
10%inclusion47 decks449 decks
0%synergy
Goblin Welder
10%inclusion46 decks449 decks
6%synergy
Instants
Chaos Warp
23%inclusion104 decks449 decks
-8%synergy
Generous Gift
22%inclusion98 decks449 decks
-12%synergy
Unexpected Windfall
20%inclusion90 decks449 decks
13%synergy
Deflecting Swat
20%inclusion88 decks449 decks
4%synergy
Valakut Awakening
16%inclusion74 decks449 decks
10%synergy
Teferi's Protection
16%inclusion74 decks449 decks
0%synergy
Commune with Lava
15%inclusion66 decks449 decks
14%synergy
Wear // Tear
14%inclusion61 decks449 decks
-7%synergy
Legion Leadership
13%inclusion56 decks442 decks
-5%synergy
Silence
12%inclusion53 decks449 decks
7%synergy
Flawless Maneuver
12%inclusion52 decks449 decks
-7%synergy
Untimely Malfunction
11%inclusion48 decks433 decks
0%synergy
Demand Answers
11%inclusion49 decks449 decks
2%synergy
Dawn's Truce
11%inclusion47 decks437 decks
0%synergy
Stroke of Midnight
10%inclusion47 decks449 decks
-7%synergy
Inventory Management
9.4%inclusion42 decks449 decks
3%synergy
Seething Song
8.7%inclusion39 decks449 decks
6%synergy
Tibalt's Trickery
8.5%inclusion38 decks449 decks
3%synergy
Akroma's Will
8.5%inclusion38 decks449 decks
-4%synergy
Pyroblast
8.2%inclusion37 decks449 decks
4%synergy
Red Elemental Blast
8.2%inclusion37 decks449 decks
3%synergy
Abrade
7.3%inclusion33 decks449 decks
-6%synergy
Comet Storm
6.7%inclusion30 decks449 decks
6%synergy
Thrill of Possibility
6.5%inclusion29 decks449 decks
-5%synergy
Restoration Magic
6.1%inclusion23 decks376 decks
-4%synergy
Clever Concealment
6.0%inclusion27 decks449 decks
-1%synergy
Sejiri Shelter
6.0%inclusion27 decks449 decks
-2%synergy
Deflecting Palm
6.0%inclusion27 decks449 decks
-13%synergy
Redirect Lightning
5.8%inclusion17 decks293 decks
1%synergy
Bolt Bend
5.3%inclusion24 decks449 decks
2%synergy
Lightning Bolt
5.1%inclusion23 decks449 decks
-6%synergy
Sorceries
Wake the Past
28%inclusion126 decks449 decks
22%synergy
Blasphemous Act
27%inclusion122 decks449 decks
-6%synergy
Vandalblast
17%inclusion78 decks449 decks
2%synergy
Reckless Handling
17%inclusion76 decks449 decks
13%synergy
Devastating Onslaught
17%inclusion60 decks357 decks
15%synergy
Inspired Tinkering
16%inclusion74 decks449 decks
15%synergy
Steelshaper's Gift
16%inclusion74 decks449 decks
4%synergy
Zenith Festival
16%inclusion61 decks390 decks
15%synergy
Crackle with Power
13%inclusion59 decks449 decks
12%synergy
Brass's Bounty
13%inclusion58 decks449 decks
12%synergy
Faithless Looting
13%inclusion58 decks449 decks
-3%synergy
Organic Extinction
11%inclusion51 decks449 decks
9%synergy
Goldwardens' Gambit
11%inclusion50 decks449 decks
9%synergy
Sevinne's Reclamation
11%inclusion50 decks449 decks
-1%synergy
Open the Armory
11%inclusion49 decks449 decks
-3%synergy
Pirate's Pillage
10%inclusion46 decks449 decks
8%synergy
Austere Command
10%inclusion43 decks449 decks
-7%synergy
Wheel of Fortune
9.4%inclusion42 decks449 decks
7%synergy
Seize the Spoils
8.9%inclusion40 decks449 decks
5%synergy
Snort
7.9%inclusion30 decks381 decks
7%synergy
Ignite the Future
7.8%inclusion35 decks449 decks
7%synergy
Farewell
7.8%inclusion35 decks449 decks
-3%synergy
Will of the Jeskai
6.6%inclusion26 decks391 decks
6%synergy
Hell to Pay
6.5%inclusion29 decks448 decks
6%synergy
Rip Apart
6.5%inclusion29 decks449 decks
-7%synergy
Apex of Power
6.2%inclusion28 decks449 decks
6%synergy
Sundering Eruption
6.1%inclusion27 decks442 decks
0%synergy
White Sun's Twilight
5.6%inclusion25 decks449 decks
4%synergy
Shatterskull Smashing
5.6%inclusion25 decks449 decks
2%synergy
Saheeli's Directive
5.1%inclusion23 decks449 decks
4%synergy
Trash for Treasure
5.1%inclusion23 decks449 decks
3%synergy
Wheel of Misfortune
5.1%inclusion23 decks449 decks
3%synergy
Utility Artifacts
Sculpting Steel
28%inclusion124 decks449 decks
23%synergy
Ichor Wellspring
23%inclusion105 decks449 decks
16%synergy
Sensei's Divining Top
23%inclusion103 decks449 decks
20%synergy
Nettlecyst
22%inclusion100 decks449 decks
15%synergy
The Reaver Cleaver
18%inclusion82 decks449 decks
9%synergy
Sword of the Animist
17%inclusion76 decks449 decks
-1%synergy
Bladehold War-Whip
16%inclusion72 decks449 decks
10%synergy
Mithril Coat
16%inclusion70 decks449 decks
5%synergy
Krark-Clan Ironworks
15%inclusion69 decks449 decks
13%synergy
Basilisk Collar
15%inclusion69 decks449 decks
1%synergy
Kaldra Compleat
15%inclusion68 decks449 decks
10%synergy
Aetherflux Reservoir
15%inclusion67 decks449 decks
11%synergy
Hammer of Nazahn
15%inclusion66 decks449 decks
5%synergy
Mycosynth Lattice
14%inclusion65 decks449 decks
13%synergy
Shadowspear
14%inclusion65 decks449 decks
4%synergy
Unwinding Clock
14%inclusion64 decks449 decks
12%synergy
Bloodforged Battle-Axe
14%inclusion64 decks449 decks
7%synergy
Colossus Hammer
14%inclusion63 decks449 decks
2%synergy
Hexplate Wallbreaker
14%inclusion62 decks449 decks
8%synergy
Thousand Moons Smithy
14%inclusion61 decks449 decks
10%synergy
Masterwork of Ingenuity
13%inclusion59 decks449 decks
6%synergy
Chimil, the Inner Sun
13%inclusion58 decks449 decks
12%synergy
Memorial Vault
13%inclusion45 decks351 decks
12%synergy
Darksteel Forge
12%inclusion55 decks449 decks
11%synergy
Glimmer Lens
12%inclusion53 decks449 decks
7%synergy
Blackblade Reforged
12%inclusion53 decks449 decks
-1%synergy
Portal to Phyrexia
11%inclusion51 decks449 decks
10%synergy
Hexgold Halberd
11%inclusion50 decks449 decks
9%synergy
Spine of Ish Sah
11%inclusion49 decks449 decks
10%synergy
Cloud Key
11%inclusion48 decks449 decks
8%synergy
Diamond Pick-Axe
11%inclusion48 decks449 decks
5%synergy
Sword of Feast and Famine
11%inclusion48 decks449 decks
1%synergy
Sunforger
10%inclusion46 decks449 decks
-5%synergy
Memory Jar
10%inclusion44 decks449 decks
10%synergy
Manifold Key
10%inclusion44 decks449 decks
9%synergy
The Seriema
10%inclusion36 decks374 decks
8%synergy
Mishra's Bauble
10%inclusion43 decks449 decks
8%synergy
Archaeomancer's Map
10%inclusion43 decks449 decks
3%synergy
Instant Ramen
9.2%inclusion35 decks380 decks
6%synergy
Moonsilver Key
9.1%inclusion41 decks449 decks
8%synergy
Batterskull
9.1%inclusion41 decks449 decks
7%synergy
Embercleave
9.1%inclusion41 decks449 decks
2%synergy
Nutrient Block
8.7%inclusion32 decks366 decks
3%synergy
Lembas
8.7%inclusion39 decks449 decks
6%synergy
Helm of the Host
8.7%inclusion39 decks449 decks
1%synergy
Excalibur, Sword of Eden
8.4%inclusion37 decks441 decks
2%synergy
Grinding Station
8.2%inclusion37 decks449 decks
7%synergy
Brass's Tunnel-Grinder
8.2%inclusion37 decks449 decks
5%synergy
Prized Statue
8.2%inclusion37 decks449 decks
5%synergy
Bitterthorn, Nissa's Animus
8.2%inclusion37 decks449 decks
4%synergy
Enchantments
Sigarda's Aid
18%inclusion81 decks449 decks
5%synergy
Forge Anew
17%inclusion77 decks449 decks
7%synergy
Fighter Class
13%inclusion59 decks449 decks
2%synergy
Trouble in Pairs
8.0%inclusion36 decks449 decks
-1%synergy
Monologue Tax
7.6%inclusion34 decks449 decks
4%synergy
All That Glitters
7.1%inclusion32 decks449 decks
-1%synergy
Blacksmith's Talent
6.6%inclusion29 decks437 decks
2%synergy
Nahiri's Resolve
5.8%inclusion26 decks449 decks
2%synergy
Echoes of Eternity
5.4%inclusion24 decks442 decks
5%synergy
Mantle of the Ancients
5.1%inclusion23 decks449 decks
0%synergy
Planeswalkers
Ugin, Eye of the Storms
19%inclusion75 decks391 decks
18%synergy
Daretti, Scrap Savant
13%inclusion59 decks449 decks
9%synergy
Nahiri, Heir of the Ancients
10%inclusion46 decks449 decks
7%synergy
Utility Lands
Buried Ruin
38%inclusion170 decks449 decks
24%synergy
Urza's Saga
31%inclusion138 decks449 decks
21%synergy
Rogue's Passage
29%inclusion128 decks449 decks
-3%synergy
Fomori Vault
16%inclusion73 decks445 decks
14%synergy
Monumental Henge
15%inclusion68 decks442 decks
10%synergy
Slayers' Stronghold
15%inclusion67 decks449 decks
-8%synergy
Adagia, Windswept Bastion
14%inclusion52 decks366 decks
10%synergy
Reliquary Tower
13%inclusion57 decks449 decks
-7%synergy
Axgard Armory
11%inclusion51 decks449 decks
2%synergy
Secluded Starforge
11%inclusion40 decks353 decks
9%synergy
Ishgard, the Holy See
11%inclusion43 decks383 decks
6%synergy
Eiganjo, Seat of the Empire
11%inclusion50 decks449 decks
-2%synergy
Sunhome, Fortress of the Legion
10%inclusion46 decks449 decks
-7%synergy
Command Beacon
8.9%inclusion40 decks449 decks
4%synergy
Arena of Glory
8.8%inclusion39 decks442 decks
-1%synergy
Temple of the False God
7.6%inclusion34 decks449 decks
-2%synergy
War Room
6.5%inclusion29 decks449 decks
-3%synergy
Sokenzan, Crucible of Defiance
5.6%inclusion25 decks449 decks
-4%synergy
Minas Tirith
5.3%inclusion24 decks449 decks
-8%synergy
Mana Artifacts
Sol Ring
90%inclusion404 decks449 decks
5%synergy
Arcane Signet
84%inclusion376 decks449 decks
4%synergy
Talisman of Conviction
61%inclusion276 decks449 decks
9%synergy
Boros Signet
52%inclusion232 decks449 decks
0%synergy
Mind Stone
36%inclusion161 decks449 decks
11%synergy
Fellwar Stone
32%inclusion144 decks449 decks
8%synergy
Mox Opal
24%inclusion108 decks449 decks
20%synergy
Liquimetal Torque
21%inclusion95 decks449 decks
16%synergy
Thought Vessel
20%inclusion88 decks449 decks
5%synergy
Thran Dynamo
19%inclusion85 decks449 decks
14%synergy
Coveted Jewel
19%inclusion84 decks449 decks
16%synergy
Lotus Petal
18%inclusion79 decks449 decks
13%synergy
Commander's Sphere
17%inclusion78 decks449 decks
2%synergy
Cursed Mirror
17%inclusion75 decks449 decks
9%synergy
Everflowing Chalice
16%inclusion74 decks449 decks
14%synergy
The Eternity Elevator
14%inclusion53 decks370 decks
13%synergy
Gilded Lotus
14%inclusion63 decks449 decks
12%synergy
Basalt Monolith
13%inclusion58 decks449 decks
10%synergy
Hedron Archive
12%inclusion55 decks449 decks
9%synergy
Mox Amber
12%inclusion52 decks449 decks
7%synergy
Chromatic Star
8.9%inclusion40 decks449 decks
7%synergy
Chromatic Orrery
8.7%inclusion39 decks449 decks
8%synergy
Astral Cornucopia
8.2%inclusion37 decks449 decks
8%synergy
Mox Diamond
7.6%inclusion34 decks449 decks
5%synergy
Prophetic Prism
6.9%inclusion31 decks449 decks
6%synergy
The Mightstone and Weakstone
6.2%inclusion28 decks449 decks
6%synergy
Worn Powerstone
6.2%inclusion28 decks449 decks
4%synergy
Springleaf Drum
6.0%inclusion27 decks449 decks
4%synergy
The Aetherspark
5.8%inclusion24 decks412 decks
3%synergy
Marble Diamond
5.8%inclusion26 decks449 decks
0%synergy
Fire Diamond
5.6%inclusion25 decks449 decks
-1%synergy
Chromatic Sphere
5.3%inclusion24 decks449 decks
5%synergy
Lion's Eye Diamond
5.3%inclusion24 decks449 decks
5%synergy
Skyclave Relic
5.3%inclusion24 decks449 decks
5%synergy
All-Fates Scroll
5.2%inclusion19 decks363 decks
5%synergy
Lands
Command Tower
90%inclusion402 decks449 decks
4%synergy
Battlefield Forge
64%inclusion286 decks449 decks
8%synergy
Clifftop Retreat
61%inclusion276 decks449 decks
-3%synergy
Sacred Foundry
61%inclusion274 decks449 decks
15%synergy
Rustvale Bridge
48%inclusion215 decks449 decks
35%synergy
Spectator Seating
45%inclusion201 decks449 decks
5%synergy
Arid Mesa
41%inclusion182 decks449 decks
12%synergy
Rugged Prairie
37%inclusion165 decks449 decks
-5%synergy
Sundown Pass
35%inclusion157 decks449 decks
-1%synergy
Furycalm Snarl
32%inclusion143 decks449 decks
-12%synergy
Sunbillow Verge
28%inclusion116 decks412 decks
5%synergy
Elegant Parlor
28%inclusion124 decks449 decks
8%synergy
Temple of Triumph
28%inclusion124 decks449 decks
-11%synergy
Needleverge Pathway
27%inclusion120 decks449 decks
1%synergy
Boros Garrison
27%inclusion119 decks449 decks
-12%synergy
Sunbaked Canyon
23%inclusion104 decks449 decks
6%synergy
Power Depot
22%inclusion99 decks449 decks
19%synergy
Spire of Industry
22%inclusion99 decks449 decks
16%synergy
Exotic Orchard
22%inclusion97 decks449 decks
-7%synergy
Radiant Summit
18%inclusion65 decks365 decks
1%synergy
Plateau
16%inclusion72 decks449 decks
4%synergy
Inspiring Vantage
15%inclusion66 decks449 decks
-2%synergy
Sunscorched Divide
14%inclusion64 decks449 decks
-5%synergy
Evolving Wilds
14%inclusion61 decks449 decks
-6%synergy
Myriad Landscape
12%inclusion56 decks449 decks
-8%synergy
Scene of the Crime
12%inclusion55 decks449 decks
11%synergy
The Mycosynth Gardens
11%inclusion48 decks449 decks
8%synergy
Terramorphic Expanse
10%inclusion47 decks449 decks
-3%synergy
Bloodstained Mire
10%inclusion46 decks449 decks
4%synergy
Gemstone Caverns
10%inclusion45 decks449 decks
6%synergy
Flooded Strand
10%inclusion43 decks449 decks
3%synergy
Wind-Scarred Crag
10%inclusion43 decks449 decks
-8%synergy
Windswept Heath
9.4%inclusion42 decks449 decks
3%synergy
Scalding Tarn
8.9%inclusion40 decks449 decks
4%synergy
Wooded Foothills
8.9%inclusion40 decks449 decks
3%synergy
Sacred Peaks
8.9%inclusion40 decks449 decks
-3%synergy
Marsh Flats
8.2%inclusion37 decks449 decks
2%synergy
Fabled Passage
8.0%inclusion36 decks449 decks
-1%synergy
Glittering Massif
7.4%inclusion27 decks365 decks
1%synergy
Mana Confluence
7.1%inclusion32 decks449 decks
3%synergy
City of Brass
7.1%inclusion32 decks449 decks
3%synergy
Path of Ancestry
7.1%inclusion32 decks449 decks
-9%synergy
Prismatic Vista
6.7%inclusion30 decks449 decks
1%synergy
Cavern of Souls
6.2%inclusion28 decks449 decks
1%synergy
Boros Guildgate
5.1%inclusion23 decks449 decks
-4%synergy