Burakos, Party Leader // Guild Artisan (Commander) - Artifacts

Burakos, Party Leader // Guild Artisan
Rank #1,804
29decks
Background image for The Destined Black Mage Commander Deck Tech
Cooper Gottfried
Oct 20, 2025
The Destined Black Mage Commander Deck Tech
A second go-around with Final Fantasy in December provides Cooper with a new legendary creature to build around - The Destined Black Mage!
Deck Filters
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Secret Tunnel
33%inclusion1 decks3 decks
32%synergy
High Synergy Cards
Grim Hireling
93%inclusion27 decks29 decks
83%synergy
Professional Face-Breaker
97%inclusion28 decks29 decks
81%synergy
Nadier's Nightblade
83%inclusion24 decks29 decks
77%synergy
Mindblade Render
76%inclusion22 decks29 decks
76%synergy
Harmonic Prodigy
79%inclusion23 decks29 decks
72%synergy
Changeling Outcast
69%inclusion20 decks29 decks
67%synergy
Multiclass Baldric
66%inclusion19 decks29 decks
65%synergy
Disciple of the Vault
69%inclusion20 decks29 decks
65%synergy
Mastermind Plum
59%inclusion17 decks29 decks
57%synergy
Mirkwood Bats
69%inclusion20 decks29 decks
55%synergy
Top Cards
Deadly Dispute
69%inclusion20 decks29 decks
43%synergy
Black Market Connections
69%inclusion20 decks29 decks
52%synergy
Chaos Warp
66%inclusion19 decks29 decks
17%synergy
Reckless Fireweaver
62%inclusion18 decks29 decks
54%synergy
Academy Manufactor
59%inclusion17 decks29 decks
51%synergy
Mayhem Devil
59%inclusion17 decks29 decks
34%synergy
Xorn
55%inclusion16 decks29 decks
47%synergy
Marionette Master
55%inclusion16 decks29 decks
49%synergy
Stormclaw Rager
55%inclusion16 decks29 decks
53%synergy
Twilight Prophet
52%inclusion15 decks29 decks
49%synergy
Game Changers
Jeska's Will
38%inclusion11 decks29 decks
14%synergy
Demonic Tutor
21%inclusion6 decks29 decks
3%synergy
Opposition Agent
17%inclusion5 decks29 decks
12%synergy
Ancient Tomb
14%inclusion4 decks29 decks
4%synergy
Orcish Bowmasters
14%inclusion4 decks29 decks
3%synergy
Bolas's Citadel
14%inclusion4 decks29 decks
3%synergy
The One Ring
14%inclusion4 decks29 decks
6%synergy
Vampiric Tutor
14%inclusion4 decks29 decks
-1%synergy
Imperial Seal
10%inclusion3 decks29 decks
5%synergy
Mana Vault
10%inclusion3 decks29 decks
5%synergy
Creatures
Swashbuckler Extraordinaire
52%inclusion15 decks29 decks
50%synergy
Zagras, Thief of Heartbeats
52%inclusion15 decks29 decks
51%synergy
Taurean Mauler
52%inclusion15 decks29 decks
49%synergy
Ruthless Technomancer
48%inclusion14 decks29 decks
44%synergy
Universal Automaton
41%inclusion12 decks29 decks
41%synergy
Ingenious Artillerist
41%inclusion12 decks29 decks
39%synergy
Goldspan Dragon
38%inclusion11 decks29 decks
29%synergy
Dauthi Voidwalker
38%inclusion11 decks29 decks
30%synergy
Marionette Apprentice
36%inclusion10 decks28 decks
26%synergy
Combat Celebrant
34%inclusion10 decks29 decks
32%synergy
Varragoth, Bloodsky Sire
34%inclusion10 decks29 decks
31%synergy
Pathmaker Initiate
34%inclusion10 decks29 decks
34%synergy
Dark Confidant
34%inclusion10 decks29 decks
30%synergy
Shakedown Heavy
34%inclusion10 decks29 decks
34%synergy
Chronomancer
34%inclusion10 decks29 decks
34%synergy
Generous Plunderer
32%inclusion9 decks28 decks
29%synergy
Roaming Throne
31%inclusion9 decks29 decks
25%synergy
Morbid Opportunist
31%inclusion9 decks29 decks
16%synergy
Keen Duelist
31%inclusion9 decks29 decks
28%synergy
Al Bhed Salvagers
31%inclusion4 decks13 decks
30%synergy
Dualcaster Mage
28%inclusion8 decks29 decks
18%synergy
Laelia, the Blade Reforged
28%inclusion8 decks29 decks
24%synergy
Solemn Doomguide
28%inclusion8 decks29 decks
27%synergy
Braids, Arisen Nightmare
28%inclusion8 decks29 decks
19%synergy
Harsh Mentor
24%inclusion7 decks29 decks
17%synergy
Azra Oddsmaker
24%inclusion7 decks29 decks
21%synergy
Grim Haruspex
24%inclusion7 decks29 decks
21%synergy
Gogo, Mysterious Mime
23%inclusion3 decks13 decks
20%synergy
Locke, Treasure Hunter
23%inclusion3 decks13 decks
21%synergy
Knuckles the Echidna
23%inclusion3 decks13 decks
17%synergy
Alesha, Who Laughs at Fate
23%inclusion5 decks22 decks
18%synergy
Magus of the Wheel
21%inclusion6 decks29 decks
16%synergy
Magda, Brazen Outlaw
21%inclusion6 decks29 decks
18%synergy
Crime Novelist
21%inclusion6 decks29 decks
15%synergy
Grenzo, Havoc Raiser
21%inclusion6 decks29 decks
17%synergy
Hellkite Tyrant
21%inclusion6 decks29 decks
17%synergy
Rev, Tithe Extractor
18%inclusion4 decks22 decks
15%synergy
Nighthawk Scavenger
17%inclusion5 decks29 decks
16%synergy
Decadent Dragon
17%inclusion5 decks29 decks
12%synergy
Prosper, Tome-Bound
17%inclusion5 decks29 decks
10%synergy
Treasure Dredger
14%inclusion4 decks28 decks
14%synergy
Kamber, the Plunderer
14%inclusion4 decks29 decks
12%synergy
Flamekin Herald
14%inclusion4 decks29 decks
13%synergy
Ancient Copper Dragon
14%inclusion4 decks29 decks
10%synergy
Moraug, Fury of Akoum
14%inclusion4 decks29 decks
12%synergy
Zhentarim Bandit
14%inclusion4 decks29 decks
13%synergy
Hedron Detonator
14%inclusion4 decks29 decks
13%synergy
Bloodsoaked Champion
14%inclusion4 decks29 decks
13%synergy
Ragavan, Nimble Pilferer
14%inclusion4 decks29 decks
4%synergy
Robber of the Rich
14%inclusion4 decks29 decks
13%synergy
Instants
Rakdos Charm
38%inclusion11 decks29 decks
-5%synergy
Bedevil
34%inclusion10 decks29 decks
-1%synergy
Big Score
34%inclusion10 decks29 decks
15%synergy
Abrade
31%inclusion9 decks29 decks
9%synergy
Deadly Rollick
31%inclusion9 decks29 decks
10%synergy
Terminate
28%inclusion8 decks29 decks
-12%synergy
Deflecting Swat
28%inclusion8 decks29 decks
7%synergy
Demand Answers
28%inclusion8 decks29 decks
15%synergy
Withering Torment
27%inclusion6 decks22 decks
5%synergy
Fell the Profane
25%inclusion7 decks28 decks
13%synergy
Dark Ritual
24%inclusion7 decks29 decks
-17%synergy
Infernal Grasp
24%inclusion7 decks29 decks
10%synergy
Malakir Rebirth
24%inclusion7 decks29 decks
9%synergy
Unexpected Windfall
21%inclusion6 decks29 decks
7%synergy
Return the Favor
18%inclusion5 decks28 decks
11%synergy
Tibalt's Trickery
17%inclusion5 decks29 decks
4%synergy
Deadly Alliance
14%inclusion4 decks29 decks
14%synergy
Wild Magic Surge
14%inclusion4 decks29 decks
11%synergy
Saw in Half
14%inclusion4 decks29 decks
3%synergy
Cabal Ritual
14%inclusion4 decks29 decks
6%synergy
Lethal Scheme
14%inclusion4 decks29 decks
13%synergy
Great Train Heist
11%inclusion3 decks28 decks
8%synergy
Culling the Weak
10%inclusion3 decks29 decks
4%synergy
Bolt Bend
10%inclusion3 decks29 decks
1%synergy
Pyroblast
10%inclusion3 decks29 decks
1%synergy
Fire Covenant
10%inclusion3 decks29 decks
3%synergy
Snuff Out
10%inclusion3 decks29 decks
6%synergy
Fanatical Offering
10%inclusion3 decks29 decks
8%synergy
Soul Shatter
10%inclusion3 decks29 decks
6%synergy
Costly Plunder
10%inclusion3 decks29 decks
7%synergy
Red Elemental Blast
10%inclusion3 decks29 decks
1%synergy
Untimely Malfunction
9.1%inclusion2 decks22 decks
-9%synergy
Tainted Pact
6.9%inclusion2 decks29 decks
5%synergy
Go for the Throat
6.9%inclusion2 decks29 decks
-1%synergy
Imp's Mischief
6.9%inclusion2 decks29 decks
-2%synergy
Burnt Offering
6.9%inclusion2 decks29 decks
1%synergy
Vona's Hunger
6.9%inclusion2 decks29 decks
6%synergy
Sudden Spoiling
6.9%inclusion2 decks29 decks
5%synergy
Lightning Bolt
6.9%inclusion2 decks29 decks
-11%synergy
Baleful Mastery
6.9%inclusion2 decks29 decks
4%synergy
Rowan's Grim Search
6.9%inclusion2 decks29 decks
6%synergy
Kazuul's Fury
6.9%inclusion2 decks29 decks
3%synergy
Valakut Awakening
6.9%inclusion2 decks29 decks
-1%synergy
Sorceries
Coveted Prize
52%inclusion15 decks29 decks
51%synergy
Thwart the Grave
45%inclusion13 decks29 decks
45%synergy
Feed the Swarm
45%inclusion13 decks29 decks
2%synergy
Blasphemous Act
31%inclusion9 decks29 decks
-20%synergy
Exsanguinate
31%inclusion9 decks29 decks
21%synergy
Monumental Corruption
24%inclusion7 decks29 decks
24%synergy
Blood Money
24%inclusion7 decks29 decks
19%synergy
Inspired Tinkering
24%inclusion7 decks29 decks
22%synergy
Toxic Deluge
21%inclusion6 decks29 decks
2%synergy
Faithless Looting
21%inclusion6 decks29 decks
-8%synergy
Night's Whisper
21%inclusion6 decks29 decks
2%synergy
Cut // Ribbons
21%inclusion6 decks29 decks
18%synergy
Lich-Knights' Conquest
17%inclusion5 decks29 decks
15%synergy
Beseech the Mirror
17%inclusion5 decks29 decks
13%synergy
Pitiless Carnage
14%inclusion4 decks28 decks
13%synergy
Torment of Hailfire
14%inclusion4 decks29 decks
7%synergy
Seize the Spoils
14%inclusion4 decks29 decks
7%synergy
Rite of Flame
14%inclusion4 decks29 decks
9%synergy
Molten Duplication
11%inclusion3 decks28 decks
5%synergy
Sundering Eruption
11%inclusion3 decks28 decks
6%synergy
Diabolic Intent
10%inclusion3 decks29 decks
2%synergy
Vandalblast
10%inclusion3 decks29 decks
-20%synergy
Read the Bones
10%inclusion3 decks29 decks
-3%synergy
Shatterskull Smashing
10%inclusion3 decks29 decks
7%synergy
Reanimate
10%inclusion3 decks29 decks
-12%synergy
Wheel of Fortune
10%inclusion3 decks29 decks
4%synergy
Victimize
10%inclusion3 decks29 decks
-5%synergy
Pirate's Pillage
10%inclusion3 decks29 decks
7%synergy
Twinflame
10%inclusion3 decks29 decks
4%synergy
Reckless Endeavor
10%inclusion3 decks29 decks
8%synergy
Mutinous Massacre
7.7%inclusion1 decks13 decks
3%synergy
Devastating Onslaught
7.7%inclusion1 decks13 decks
5%synergy
Bloodsoaked Insight
7.1%inclusion2 decks28 decks
-2%synergy
Crackle with Power
6.9%inclusion2 decks29 decks
3%synergy
Gamble
6.9%inclusion2 decks29 decks
-3%synergy
In Garruk's Wake
6.9%inclusion2 decks29 decks
3%synergy
Peer into the Abyss
6.9%inclusion2 decks29 decks
3%synergy
Seize the Spotlight
6.9%inclusion2 decks29 decks
3%synergy
Painful Truths
6.9%inclusion2 decks29 decks
7%synergy
Decree of Pain
6.9%inclusion2 decks29 decks
2%synergy
Sign in Blood
6.9%inclusion2 decks29 decks
-16%synergy
Damnation
6.9%inclusion2 decks29 decks
-1%synergy
Will of the Abzan
6.7%inclusion1 decks15 decks
6%synergy
Full Throttle
5.0%inclusion1 decks20 decks
3%synergy
Utility Artifacts
Swiftfoot Boots
48%inclusion14 decks29 decks
16%synergy
Thieves' Tools
45%inclusion13 decks29 decks
43%synergy
Idol of Oblivion
41%inclusion12 decks29 decks
38%synergy
Whispersilk Cloak
38%inclusion11 decks29 decks
33%synergy
Maskwood Nexus
38%inclusion11 decks29 decks
37%synergy
Vat of Rebirth
31%inclusion9 decks29 decks
28%synergy
Lightning Greaves
28%inclusion8 decks29 decks
-7%synergy
The Reaver Cleaver
21%inclusion6 decks29 decks
16%synergy
Cranial Plating
21%inclusion6 decks29 decks
19%synergy
Brotherhood Regalia
19%inclusion5 decks27 decks
16%synergy
Treasure Map
17%inclusion5 decks29 decks
16%synergy
Tarrian's Soulcleaver
14%inclusion4 decks29 decks
10%synergy
Trailblazer's Boots
14%inclusion4 decks29 decks
12%synergy
Wishclaw Talisman
14%inclusion4 decks29 decks
7%synergy
Strionic Resonator
14%inclusion4 decks29 decks
12%synergy
Dowsing Device
14%inclusion4 decks29 decks
13%synergy
Dragonspark Reactor
14%inclusion4 decks29 decks
13%synergy
Silver Shroud Costume
11%inclusion3 decks28 decks
9%synergy
Cranial Ram
11%inclusion3 decks28 decks
8%synergy
Defense Grid
10%inclusion3 decks29 decks
8%synergy
Wayfarer's Bauble
10%inclusion3 decks29 decks
-4%synergy
Mithril Coat
10%inclusion3 decks29 decks
6%synergy
Inspiring Statuary
10%inclusion3 decks29 decks
8%synergy
Sensei's Divining Top
10%inclusion3 decks29 decks
4%synergy
Dolmen Gate
10%inclusion3 decks29 decks
9%synergy
Sword of the Animist
10%inclusion3 decks29 decks
8%synergy
Aetherflux Reservoir
6.9%inclusion2 decks29 decks
3%synergy
Trading Post
6.9%inclusion2 decks29 decks
6%synergy
Ruby Medallion
6.9%inclusion2 decks29 decks
-3%synergy
Diamond Pick-Axe
6.9%inclusion2 decks29 decks
4%synergy
Clock of Omens
6.9%inclusion2 decks29 decks
6%synergy
Tarrian's Journal
6.9%inclusion2 decks29 decks
5%synergy
Oni-Cult Anvil
6.9%inclusion2 decks29 decks
4%synergy
Radiant Lotus
5.0%inclusion1 decks20 decks
5%synergy
Enchantments
Revel in Riches
48%inclusion14 decks29 decks
42%synergy
Agent of the Iron Throne
41%inclusion12 decks29 decks
38%synergy
Rain of Riches
41%inclusion12 decks29 decks
38%synergy
Descent into Avernus
34%inclusion10 decks29 decks
24%synergy
Aggravated Assault
28%inclusion8 decks29 decks
25%synergy
Agent of the Shadow Thieves
21%inclusion6 decks29 decks
20%synergy
Break Through the Line
17%inclusion5 decks29 decks
17%synergy
Phyrexian Arena
17%inclusion5 decks29 decks
-7%synergy
Spiteful Banditry
17%inclusion5 decks29 decks
15%synergy
Alchemist's Talent
16%inclusion4 decks25 decks
13%synergy
Curse of Opulence
14%inclusion4 decks29 decks
7%synergy
Necropotence
10%inclusion3 decks29 decks
4%synergy
Bitter Reunion
6.9%inclusion2 decks29 decks
4%synergy
Loot Dispute
6.9%inclusion2 decks29 decks
7%synergy
There and Back Again
6.9%inclusion2 decks29 decks
5%synergy
Bitterblossom
6.9%inclusion2 decks29 decks
3%synergy
Underworld Breach
6.9%inclusion2 decks29 decks
0%synergy
Haunted One
6.9%inclusion2 decks29 decks
6%synergy
Blood Moon
6.9%inclusion2 decks29 decks
5%synergy
Kaya's Ghostform
6.9%inclusion2 decks29 decks
2%synergy
Fable of the Mirror-Breaker
6.9%inclusion2 decks29 decks
4%synergy
Oubliette
6.9%inclusion2 decks29 decks
6%synergy
Utility Lands
Rogue's Passage
52%inclusion15 decks29 decks
32%synergy
Bojuka Bog
48%inclusion14 decks29 decks
13%synergy
Treasure Vault
45%inclusion13 decks29 decks
39%synergy
Mutavault
45%inclusion13 decks29 decks
44%synergy
Access Tunnel
45%inclusion13 decks29 decks
42%synergy
War Room
38%inclusion11 decks29 decks
34%synergy
Castle Locthwain
24%inclusion7 decks29 decks
18%synergy
Arena of Glory
18%inclusion5 decks28 decks
9%synergy
Mines of Moria
17%inclusion5 decks29 decks
13%synergy
Shizo, Death's Storehouse
17%inclusion5 decks29 decks
12%synergy
Maze of Ith
17%inclusion5 decks29 decks
15%synergy
Roadside Reliquary
14%inclusion4 decks29 decks
14%synergy
Minas Morgul, Dark Fortress
14%inclusion4 decks29 decks
12%synergy
Reliquary Tower
14%inclusion4 decks29 decks
-4%synergy
The Black Gate
14%inclusion4 decks29 decks
11%synergy
Mortuary Mire
10%inclusion3 decks29 decks
4%synergy
Hanweir Battlements
10%inclusion3 decks29 decks
9%synergy
Barren Moor
10%inclusion3 decks29 decks
5%synergy
Takenuma, Abandoned Mire
10%inclusion3 decks29 decks
1%synergy
Urborg, Tomb of Yawgmoth
10%inclusion3 decks29 decks
-9%synergy
Great Furnace
10%inclusion3 decks29 decks
4%synergy
Soulstone Sanctuary
9.1%inclusion2 decks22 decks
9%synergy
Fountainport
8.0%inclusion2 decks25 decks
7%synergy
Fomori Vault
7.1%inclusion2 decks28 decks
6%synergy
Vault of Whispers
6.9%inclusion2 decks29 decks
1%synergy
Hall of the Bandit Lord
6.9%inclusion2 decks29 decks
5%synergy
Urza's Saga
6.9%inclusion2 decks29 decks
1%synergy
Cabal Coffers
6.9%inclusion2 decks29 decks
-3%synergy
Scavenger Grounds
6.9%inclusion2 decks29 decks
5%synergy
Darksteel Citadel
6.9%inclusion2 decks29 decks
3%synergy
City of Traitors
6.9%inclusion2 decks29 decks
5%synergy
Mana Artifacts
Sol Ring
93%inclusion27 decks29 decks
7%synergy
Arcane Signet
76%inclusion22 decks29 decks
-7%synergy
Talisman of Indulgence
62%inclusion18 decks29 decks
6%synergy
Rakdos Signet
38%inclusion11 decks29 decks
-22%synergy
Fellwar Stone
31%inclusion9 decks29 decks
-3%synergy
Mind Stone
17%inclusion5 decks29 decks
-13%synergy
Thought Vessel
17%inclusion5 decks29 decks
-1%synergy
Mox Opal
14%inclusion4 decks29 decks
9%synergy
Lotus Petal
10%inclusion3 decks29 decks
3%synergy
Cursed Mirror
10%inclusion3 decks29 decks
-1%synergy
Liquimetal Torque
10%inclusion3 decks29 decks
5%synergy
Chrome Mox
10%inclusion3 decks29 decks
4%synergy
Commander's Sphere
6.9%inclusion2 decks29 decks
-11%synergy
Grim Monolith
6.9%inclusion2 decks29 decks
5%synergy
Jeweled Lotus
6.9%inclusion2 decks29 decks
5%synergy
Mox Diamond
6.9%inclusion2 decks29 decks
3%synergy
Mana Crypt
6.9%inclusion2 decks29 decks
4%synergy
Sol Talisman
6.9%inclusion2 decks29 decks
6%synergy
Lands
Swamp
100%inclusion29 decks29 decks
2%synergy
Mountain
100%inclusion29 decks29 decks
3%synergy
Command Tower
97%inclusion28 decks29 decks
10%synergy
Dragonskull Summit
62%inclusion18 decks29 decks
0%synergy
Sulfurous Springs
62%inclusion18 decks29 decks
16%synergy
Smoldering Marsh
59%inclusion17 decks29 decks
-5%synergy
Luxury Suite
59%inclusion17 decks29 decks
20%synergy
Path of Ancestry
59%inclusion17 decks29 decks
43%synergy
Blood Crypt
45%inclusion13 decks29 decks
0%synergy
Blightstep Pathway
38%inclusion11 decks29 decks
15%synergy
Graven Cairns
34%inclusion10 decks29 decks
5%synergy
Bloodstained Mire
34%inclusion10 decks29 decks
2%synergy
Shadowblood Ridge
34%inclusion10 decks29 decks
-1%synergy
Haunted Ridge
34%inclusion10 decks29 decks
-1%synergy
Rakdos Carnarium
28%inclusion8 decks29 decks
-6%synergy
Canyon Slough
28%inclusion8 decks29 decks
8%synergy
Exotic Orchard
28%inclusion8 decks29 decks
-4%synergy
Foreboding Ruins
28%inclusion8 decks29 decks
-18%synergy
Temple of Malice
28%inclusion8 decks29 decks
-7%synergy
Tainted Peak
28%inclusion8 decks29 decks
-14%synergy
Fell the Profane
25%inclusion7 decks28 decks
13%synergy
Malakir Rebirth
24%inclusion7 decks29 decks
9%synergy
Badlands
17%inclusion5 decks29 decks
4%synergy
Spire of Industry
17%inclusion5 decks29 decks
14%synergy
Base Camp
17%inclusion5 decks29 decks
17%synergy
Escape Tunnel
14%inclusion4 decks29 decks
13%synergy
Fabled Passage
14%inclusion4 decks29 decks
5%synergy
Mount Doom
14%inclusion4 decks29 decks
-3%synergy
Blackcleave Cliffs
14%inclusion4 decks29 decks
-6%synergy
Blazemire Verge
14%inclusion3 decks22 decks
-17%synergy
Sundering Eruption
11%inclusion3 decks28 decks
6%synergy
Raucous Theater
10%inclusion3 decks29 decks
-11%synergy
Shatterskull Smashing
10%inclusion3 decks29 decks
7%synergy
Gemstone Caverns
10%inclusion3 decks29 decks
6%synergy
Arid Mesa
10%inclusion3 decks29 decks
2%synergy
Mana Confluence
10%inclusion3 decks29 decks
4%synergy
Marsh Flats
10%inclusion3 decks29 decks
2%synergy
Geothermal Bog
10%inclusion3 decks29 decks
1%synergy
City of Brass
10%inclusion3 decks29 decks
4%synergy
Terramorphic Expanse
10%inclusion3 decks29 decks
-6%synergy
Blackbloom Rogue
10%inclusion3 decks29 decks
10%synergy
Bloodsoaked Insight
7.1%inclusion2 decks28 decks
-2%synergy
Pinnacle Monk
7.1%inclusion2 decks28 decks
0%synergy
The Mycosynth Gardens
6.9%inclusion2 decks29 decks
6%synergy
Drossforge Bridge
6.9%inclusion2 decks29 decks
0%synergy
Secluded Courtyard
6.9%inclusion2 decks29 decks
5%synergy
Rocky Tar Pit
6.9%inclusion2 decks29 decks
5%synergy
Demolition Field
6.9%inclusion2 decks29 decks
4%synergy
Prismatic Vista
6.9%inclusion2 decks29 decks
1%synergy
Unclaimed Territory
6.9%inclusion2 decks29 decks
4%synergy