Ardenn, Intrepid Archaeologist // Vial Smasher the Fierce (Commander) - Core

Alternate Names:

Ardenn, Intrepid Archaeologist // Clive RosfieldArdenn, Intrepid Archaeologist // Clive Rosfield

Ardenn, Intrepid Archaeologist // Vial Smasher the Fierce
Rank #2,143
33decks
Background image for Archidekt Deckbuilding Contest Finalists - February 2026
Dana Roach
Feb 19, 2026
Archidekt Deckbuilding Contest Finalists - February 2026
Let's take a look at the three finalists for this month's Archidekt deckbuilding contest. Who made the coolest partner deck?
Deck Filters
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Leonardo, Sewer Samurai
7.7%inclusion1 decks13 decks
8%synergy
High Synergy Cards
Curse of Opulence
82%inclusion27 decks33 decks
76%synergy
Sram, Senior Edificer
76%inclusion25 decks33 decks
73%synergy
Mesa Enchantress
67%inclusion22 decks33 decks
66%synergy
Curse of Bloodletting
58%inclusion19 decks33 decks
57%synergy
Curse of Disturbance
58%inclusion19 decks33 decks
57%synergy
Curse of Shaken Faith
55%inclusion18 decks33 decks
54%synergy
Curse of Misfortunes
55%inclusion18 decks33 decks
54%synergy
Trespasser's Curse
55%inclusion18 decks33 decks
54%synergy
Danitha Capashen, Paragon
55%inclusion18 decks33 decks
52%synergy
Kor Spiritdancer
52%inclusion17 decks33 decks
51%synergy
Top Cards
Swords to Plowshares
58%inclusion19 decks33 decks
-5%synergy
Shiny Impetus
52%inclusion17 decks33 decks
48%synergy
Path to Exile
48%inclusion16 decks33 decks
2%synergy
Curse of Thirst
48%inclusion16 decks33 decks
48%synergy
Eriette of the Charmed Apple
48%inclusion16 decks33 decks
48%synergy
Curse of Hospitality
45%inclusion15 decks33 decks
45%synergy
Ondu Spiritdancer
45%inclusion15 decks33 decks
45%synergy
Curse of Exhaustion
45%inclusion15 decks33 decks
45%synergy
Sphere of Safety
45%inclusion15 decks33 decks
44%synergy
Darksteel Mutation
42%inclusion14 decks33 decks
41%synergy
Game Changers
Farewell
6.1%inclusion2 decks33 decks
-5%synergy
Creatures
Starfield Mystic
42%inclusion14 decks33 decks
42%synergy
Starnheim Courser
39%inclusion13 decks33 decks
39%synergy
Tiana, Ship's Caretaker
39%inclusion13 decks33 decks
39%synergy
Accursed Witch
39%inclusion13 decks33 decks
39%synergy
Ghen, Arcanum Weaver
33%inclusion11 decks33 decks
33%synergy
Transcendent Envoy
30%inclusion10 decks33 decks
30%synergy
Alexios, Deimos of Kosmos
28%inclusion9 decks32 decks
26%synergy
Archon of Sun's Grace
27%inclusion9 decks33 decks
27%synergy
Faithbound Judge
27%inclusion9 decks33 decks
27%synergy
Pearl-Ear, Imperial Advisor
27%inclusion9 decks33 decks
27%synergy
Armored Skyhunter
27%inclusion9 decks33 decks
25%synergy
Bitterheart Witch
24%inclusion8 decks33 decks
24%synergy
Xantcha, Sleeper Agent
21%inclusion7 decks33 decks
19%synergy
Nelly Borca, Impulsive Accuser
21%inclusion7 decks33 decks
19%synergy
Solemn Simulacrum
18%inclusion6 decks33 decks
5%synergy
Puresteel Paladin
18%inclusion6 decks33 decks
14%synergy
Kardur, Doomscourge
18%inclusion6 decks33 decks
12%synergy
Grim Guardian
18%inclusion6 decks33 decks
18%synergy
Ghostly Dancers
17%inclusion5 decks30 decks
17%synergy
Heliod's Pilgrim
15%inclusion5 decks33 decks
15%synergy
Sun Titan
15%inclusion5 decks33 decks
5%synergy
Mangara, the Diplomat
15%inclusion5 decks33 decks
10%synergy
Hero of Iroas
12%inclusion4 decks33 decks
12%synergy
Karazikar, the Eye Tyrant
12%inclusion4 decks33 decks
9%synergy
Doomwake Giant
12%inclusion4 decks33 decks
12%synergy
Esper Sentinel
12%inclusion4 decks33 decks
-6%synergy
Komainu Battle Armor
12%inclusion4 decks33 decks
12%synergy
Bruenor Battlehammer
12%inclusion4 decks33 decks
11%synergy
Queen Marchesa
12%inclusion4 decks33 decks
6%synergy
Light-Paws, Emperor's Voice
9.1%inclusion3 decks33 decks
9%synergy
Godo, Bandit Warlord
9.1%inclusion3 decks33 decks
7%synergy
Slicer, Hired Muscle
9.1%inclusion3 decks33 decks
8%synergy
Ajani's Chosen
9.1%inclusion3 decks33 decks
9%synergy
Life of the Party
9.1%inclusion3 decks33 decks
8%synergy
Breena, the Demagogue
9.1%inclusion3 decks33 decks
1%synergy
Thoughtrender Lamia
9.1%inclusion3 decks33 decks
9%synergy
Kazuul, Tyrant of the Cliffs
9.1%inclusion3 decks33 decks
6%synergy
Longshot, Rebel Bowman
7.7%inclusion1 decks13 decks
7%synergy
Balemurk Leech
6.7%inclusion2 decks30 decks
7%synergy
Witch Enchanter
6.1%inclusion2 decks33 decks
0%synergy
Captivating Crew
6.1%inclusion2 decks33 decks
5%synergy
Shadowheart, Dark Justiciar
6.1%inclusion2 decks33 decks
6%synergy
Bothersome Quasit
6.1%inclusion2 decks33 decks
5%synergy
Archivist of Oghma
6.1%inclusion2 decks33 decks
3%synergy
Silent Sentinel
6.1%inclusion2 decks33 decks
6%synergy
Khârn the Betrayer
6.1%inclusion2 decks33 decks
6%synergy
Treasury Thrull
6.1%inclusion2 decks33 decks
6%synergy
Brash Taunter
6.1%inclusion2 decks33 decks
3%synergy
Humble Defector
6.1%inclusion2 decks33 decks
4%synergy
Danitha, Benalia's Hope
6.1%inclusion2 decks33 decks
4%synergy
Instants
Generous Gift
36%inclusion12 decks33 decks
18%synergy
Chaos Warp
30%inclusion10 decks33 decks
14%synergy
Anguished Unmaking
24%inclusion8 decks33 decks
-10%synergy
Despark
21%inclusion7 decks33 decks
7%synergy
Crackling Doom
21%inclusion7 decks33 decks
4%synergy
Rakdos Charm
18%inclusion6 decks33 decks
9%synergy
Terminate
18%inclusion6 decks33 decks
6%synergy
Legion Leadership
15%inclusion5 decks33 decks
11%synergy
Boros Charm
12%inclusion4 decks33 decks
-17%synergy
Take the Bait
12%inclusion4 decks33 decks
9%synergy
Deflecting Palm
12%inclusion4 decks33 decks
6%synergy
Utter End
12%inclusion4 decks33 decks
7%synergy
Fracture
12%inclusion4 decks33 decks
6%synergy
Fell the Profane
9.1%inclusion3 decks33 decks
3%synergy
Tibalt's Trickery
9.1%inclusion3 decks33 decks
5%synergy
Immortal Obligation
9.1%inclusion3 decks33 decks
8%synergy
Airbending Lesson
7.1%inclusion1 decks14 decks
6%synergy
Restoration Magic
6.3%inclusion1 decks16 decks
4%synergy
Deadly Rollick
6.1%inclusion2 decks33 decks
-5%synergy
Comeuppance
6.1%inclusion2 decks33 decks
4%synergy
Dispatch
6.1%inclusion2 decks33 decks
2%synergy
Soul Shatter
6.1%inclusion2 decks33 decks
4%synergy
Allay
6.1%inclusion2 decks33 decks
6%synergy
Guff Rewrites History
6.1%inclusion2 decks33 decks
6%synergy
Wear // Tear
6.1%inclusion2 decks33 decks
-6%synergy
Sejiri Shelter
6.1%inclusion2 decks33 decks
4%synergy
Rebuff the Wicked
6.1%inclusion2 decks33 decks
5%synergy
Inkshield
6.1%inclusion2 decks33 decks
-2%synergy
Cruel Truths
5.0%inclusion1 decks20 decks
5%synergy
Sorceries
Open the Armory
30%inclusion10 decks33 decks
26%synergy
Blasphemous Act
30%inclusion10 decks33 decks
8%synergy
Open the Vaults
27%inclusion9 decks33 decks
27%synergy
Read the Bones
27%inclusion9 decks33 decks
18%synergy
Painful Truths
24%inclusion8 decks33 decks
16%synergy
Disrupt Decorum
24%inclusion8 decks33 decks
20%synergy
Austere Command
21%inclusion7 decks33 decks
14%synergy
Resurgent Belief
18%inclusion6 decks33 decks
18%synergy
Damn
18%inclusion6 decks33 decks
0%synergy
Promise of Loyalty
18%inclusion6 decks33 decks
16%synergy
Night's Whisper
15%inclusion5 decks33 decks
2%synergy
Vandalblast
15%inclusion5 decks33 decks
5%synergy
Three Dreams
15%inclusion5 decks33 decks
15%synergy
Taunt from the Rampart
12%inclusion4 decks33 decks
9%synergy
Ruinous Ultimatum
12%inclusion4 decks33 decks
-27%synergy
Winds of Rath
12%inclusion4 decks33 decks
12%synergy
Wrath of God
9.1%inclusion3 decks33 decks
5%synergy
Idyllic Tutor
9.1%inclusion3 decks33 decks
8%synergy
Vindicate
9.1%inclusion3 decks33 decks
3%synergy
Merciless Eviction
9.1%inclusion3 decks33 decks
6%synergy
Mythos of Snapdax
9.1%inclusion3 decks33 decks
3%synergy
Sundering Eruption
9.1%inclusion3 decks33 decks
6%synergy
Avatar's Wrath
7.7%inclusion1 decks13 decks
3%synergy
Diresight
6.3%inclusion2 decks32 decks
5%synergy
Spectacular Showdown
6.1%inclusion2 decks33 decks
5%synergy
Damnation
6.1%inclusion2 decks33 decks
3%synergy
Cut a Deal
6.1%inclusion2 decks33 decks
4%synergy
Vanquish the Horde
6.1%inclusion2 decks33 decks
3%synergy
Rise to Glory
6.1%inclusion2 decks33 decks
6%synergy
Toxic Deluge
6.1%inclusion2 decks33 decks
-2%synergy
Sign in Blood
6.1%inclusion2 decks33 decks
-2%synergy
Utility Artifacts
Bloodthirsty Blade
27%inclusion9 decks33 decks
26%synergy
Blackblade Reforged
27%inclusion9 decks33 decks
23%synergy
Colossus Hammer
24%inclusion8 decks33 decks
21%synergy
Swiftfoot Boots
24%inclusion8 decks33 decks
-7%synergy
Assault Suit
21%inclusion7 decks33 decks
21%synergy
Wayfarer's Bauble
18%inclusion6 decks33 decks
10%synergy
Masterwork of Ingenuity
18%inclusion6 decks33 decks
17%synergy
Lightning Greaves
18%inclusion6 decks33 decks
-16%synergy
Mask of Memory
18%inclusion6 decks33 decks
17%synergy
Nettlecyst
15%inclusion5 decks33 decks
15%synergy
Helm of the Host
15%inclusion5 decks33 decks
9%synergy
Wand of Orcus
15%inclusion5 decks33 decks
15%synergy
Bloodforged Battle-Axe
15%inclusion5 decks33 decks
14%synergy
Cloud Key
12%inclusion4 decks33 decks
11%synergy
Fireshrieker
12%inclusion4 decks33 decks
11%synergy
Thran Power Suit
12%inclusion4 decks33 decks
11%synergy
Hot Soup
12%inclusion4 decks33 decks
12%synergy
Pact Weapon
12%inclusion4 decks33 decks
12%synergy
Sword of the Animist
12%inclusion4 decks33 decks
3%synergy
Buster Sword
12%inclusion2 decks17 decks
10%synergy
Chainsaw
9.4%inclusion3 decks32 decks
9%synergy
Beamtown Beatstick
9.1%inclusion3 decks33 decks
8%synergy
Captain's Hook
9.1%inclusion3 decks33 decks
9%synergy
Rogue's Gloves
9.1%inclusion3 decks33 decks
9%synergy
Skullclamp
9.1%inclusion3 decks33 decks
-20%synergy
Strength-Testing Hammer
9.1%inclusion3 decks33 decks
7%synergy
Trailblazer's Boots
9.1%inclusion3 decks33 decks
7%synergy
Basilisk Collar
9.1%inclusion3 decks33 decks
5%synergy
Crystal Chimes
9.1%inclusion3 decks33 decks
9%synergy
Adaptive Omnitool
8.7%inclusion2 decks23 decks
8%synergy
Genji Glove
6.3%inclusion1 decks16 decks
4%synergy
Zephyr Boots
6.1%inclusion2 decks33 decks
6%synergy
Golem-Skin Gauntlets
6.1%inclusion2 decks33 decks
6%synergy
Bitterthorn, Nissa's Animus
6.1%inclusion2 decks33 decks
5%synergy
Prowler's Helm
6.1%inclusion2 decks33 decks
6%synergy
Infiltration Lens
6.1%inclusion2 decks33 decks
6%synergy
Cranial Plating
6.1%inclusion2 decks33 decks
5%synergy
Stitcher's Graft
6.1%inclusion2 decks33 decks
6%synergy
Norn's Annex
6.1%inclusion2 decks33 decks
5%synergy
Scythe of the Wretched
6.1%inclusion2 decks33 decks
6%synergy
Mask of Griselbrand
6.1%inclusion2 decks33 decks
5%synergy
Argentum Armor
6.1%inclusion2 decks33 decks
4%synergy
Loxodon Warhammer
6.1%inclusion2 decks33 decks
4%synergy
Howling Mine
6.1%inclusion2 decks33 decks
6%synergy
Sword of Vengeance
6.1%inclusion2 decks33 decks
4%synergy
Hammer of Nazahn
6.1%inclusion2 decks33 decks
4%synergy
Dowsing Dagger
6.1%inclusion2 decks33 decks
5%synergy
Pariah's Shield
6.1%inclusion2 decks33 decks
6%synergy
Vorpal Sword
6.1%inclusion2 decks33 decks
4%synergy
Staff of Titania
6.1%inclusion2 decks33 decks
6%synergy
Enchantments
Maddening Hex
42%inclusion14 decks33 decks
39%synergy
Curse of Death's Hold
42%inclusion14 decks33 decks
42%synergy
Curse of Fool's Wisdom
42%inclusion14 decks33 decks
42%synergy
Cruel Reality
39%inclusion13 decks33 decks
39%synergy
Torment of Scarabs
39%inclusion13 decks33 decks
39%synergy
Parasitic Impetus
39%inclusion13 decks33 decks
39%synergy
Grievous Wound
37%inclusion11 decks30 decks
36%synergy
Overwhelming Splendor
36%inclusion12 decks33 decks
36%synergy
Eye of Nidhogg
35%inclusion6 decks17 decks
35%synergy
Ghoulish Impetus
33%inclusion11 decks33 decks
32%synergy
Curse of the Nightly Hunt
33%inclusion11 decks33 decks
33%synergy
Curse of Obsession
33%inclusion11 decks33 decks
33%synergy
Curse of Shallow Graves
33%inclusion11 decks33 decks
33%synergy
The Sound of Drums
30%inclusion10 decks33 decks
30%synergy
Curse of Stalked Prey
30%inclusion10 decks33 decks
30%synergy
Curse of Vengeance
30%inclusion10 decks33 decks
30%synergy
Curse of Silence
27%inclusion9 decks33 decks
27%synergy
Tenuous Truce
27%inclusion9 decks33 decks
26%synergy
Curse of Vitality
27%inclusion9 decks33 decks
27%synergy
Curse of the Restless Dead
24%inclusion8 decks33 decks
24%synergy
Curse of Conformity
24%inclusion8 decks33 decks
24%synergy
Martial Impetus
24%inclusion8 decks33 decks
24%synergy
Phyrexian Arena
24%inclusion8 decks33 decks
6%synergy
Incriminating Impetus
24%inclusion8 decks33 decks
24%synergy
Curse of the Pierced Heart
24%inclusion8 decks33 decks
24%synergy
Sigil of the Empty Throne
21%inclusion7 decks33 decks
21%synergy
Vow of Lightning
18%inclusion6 decks33 decks
18%synergy
Ghostly Prison
18%inclusion6 decks33 decks
11%synergy
Grasp of Fate
15%inclusion5 decks33 decks
14%synergy
Vow of Duty
15%inclusion5 decks33 decks
15%synergy
Vow of Torment
15%inclusion5 decks33 decks
15%synergy
Vow of Malice
15%inclusion5 decks33 decks
15%synergy
Redemption Arc
15%inclusion5 decks33 decks
15%synergy
Acquired Mutation
15%inclusion5 decks33 decks
15%synergy
Curse of Chaos
15%inclusion5 decks33 decks
15%synergy
All That Glitters
15%inclusion5 decks33 decks
14%synergy
Hot Pursuit
12%inclusion4 decks33 decks
12%synergy
Pariah
12%inclusion4 decks33 decks
12%synergy
Glasswing Grace
12%inclusion4 decks33 decks
11%synergy
Overencumbered
12%inclusion4 decks33 decks
12%synergy
Starfield of Nyx
12%inclusion4 decks33 decks
12%synergy
Rite of the Raging Storm
12%inclusion4 decks33 decks
11%synergy
Seal of Cleansing
12%inclusion4 decks33 decks
12%synergy
Duelist's Heritage
12%inclusion4 decks33 decks
8%synergy
Curse of the Forsaken
12%inclusion4 decks33 decks
12%synergy
Captive Audience
12%inclusion4 decks33 decks
11%synergy
Radiant Grace
12%inclusion4 decks33 decks
12%synergy
Curse of Oblivion
9.1%inclusion3 decks33 decks
9%synergy
Sigarda's Aid
9.1%inclusion3 decks33 decks
6%synergy
Court of Ambition
9.1%inclusion3 decks33 decks
7%synergy
Utility Lands
Hall of Heliod's Generosity
39%inclusion13 decks33 decks
37%synergy
Axgard Armory
39%inclusion13 decks33 decks
37%synergy
Bojuka Bog
36%inclusion12 decks33 decks
5%synergy
Rogue's Passage
21%inclusion7 decks33 decks
-2%synergy
Reliquary Tower
9.1%inclusion3 decks33 decks
-6%synergy
Adagia, Windswept Bastion
6.3%inclusion1 decks16 decks
5%synergy
Mortuary Mire
6.1%inclusion2 decks33 decks
5%synergy
Slayers' Stronghold
6.1%inclusion2 decks33 decks
2%synergy
Buried Ruin
6.1%inclusion2 decks33 decks
3%synergy
Cathedral of War
6.1%inclusion2 decks33 decks
5%synergy
Eiganjo, Seat of the Empire
6.1%inclusion2 decks33 decks
-1%synergy
Tower of the Magistrate
6.1%inclusion2 decks33 decks
6%synergy
Sunhome, Fortress of the Legion
6.1%inclusion2 decks33 decks
2%synergy
Temple of the False God
6.1%inclusion2 decks33 decks
0%synergy
Ishgard, the Holy See
5.9%inclusion1 decks17 decks
5%synergy
Lindblum, Industrial Regency
5.9%inclusion1 decks17 decks
5%synergy
Mana Artifacts
Arcane Signet
79%inclusion26 decks33 decks
-7%synergy
Sol Ring
70%inclusion23 decks33 decks
-19%synergy
Talisman of Conviction
42%inclusion14 decks33 decks
1%synergy
Talisman of Indulgence
36%inclusion12 decks33 decks
-1%synergy
Talisman of Hierarchy
33%inclusion11 decks33 decks
-8%synergy
Fellwar Stone
33%inclusion11 decks33 decks
5%synergy
Boros Signet
30%inclusion10 decks33 decks
2%synergy
Orzhov Signet
24%inclusion8 decks33 decks
-8%synergy
Rakdos Signet
21%inclusion7 decks33 decks
-9%synergy
Mind Stone
18%inclusion6 decks33 decks
10%synergy
Chromatic Lantern
15%inclusion5 decks33 decks
4%synergy
Commander's Sphere
12%inclusion4 decks33 decks
-2%synergy
Sol Talisman
6.1%inclusion2 decks33 decks
6%synergy
Mardu Banner
6.1%inclusion2 decks33 decks
3%synergy
Coveted Jewel
6.1%inclusion2 decks33 decks
5%synergy
Thought Vessel
6.1%inclusion2 decks33 decks
1%synergy
Thran Dynamo
6.1%inclusion2 decks33 decks
5%synergy
Worn Powerstone
6.1%inclusion2 decks33 decks
5%synergy
Lands
Command Tower
97%inclusion32 decks33 decks
5%synergy
Mountain
91%inclusion30 decks33 decks
-3%synergy
Swamp
91%inclusion30 decks33 decks
-4%synergy
Plains
91%inclusion30 decks33 decks
-4%synergy
Nomad Outpost
70%inclusion23 decks33 decks
11%synergy
Clifftop Retreat
70%inclusion23 decks33 decks
19%synergy
Exotic Orchard
67%inclusion22 decks33 decks
15%synergy
Dragonskull Summit
64%inclusion21 decks33 decks
12%synergy
Isolated Chapel
61%inclusion20 decks33 decks
8%synergy
Caves of Koilos
52%inclusion17 decks33 decks
12%synergy
Sulfurous Springs
42%inclusion14 decks33 decks
15%synergy
Spectator Seating
39%inclusion13 decks33 decks
8%synergy
Battlefield Forge
36%inclusion12 decks33 decks
-4%synergy
Vault of Champions
36%inclusion12 decks33 decks
3%synergy
Savai Triome
33%inclusion11 decks33 decks
-5%synergy
Smoldering Marsh
33%inclusion11 decks33 decks
-3%synergy
Shattered Landscape
33%inclusion11 decks33 decks
14%synergy
Godless Shrine
30%inclusion10 decks33 decks
-17%synergy
Orzhov Basilica
30%inclusion10 decks33 decks
16%synergy
Fetid Heath
30%inclusion10 decks33 decks
10%synergy
Shattered Sanctum
30%inclusion10 decks33 decks
7%synergy
Sundown Pass
30%inclusion10 decks33 decks
10%synergy
Haunted Ridge
30%inclusion10 decks33 decks
10%synergy
Luxury Suite
30%inclusion10 decks33 decks
-1%synergy
Myriad Landscape
27%inclusion9 decks33 decks
15%synergy
Boros Garrison
27%inclusion9 decks33 decks
14%synergy
Evolving Wilds
27%inclusion9 decks33 decks
1%synergy
Terramorphic Expanse
24%inclusion8 decks33 decks
5%synergy
Blood Crypt
24%inclusion8 decks33 decks
-20%synergy
Sacred Foundry
24%inclusion8 decks33 decks
-20%synergy
Rugged Prairie
24%inclusion8 decks33 decks
7%synergy
Rakdos Carnarium
21%inclusion7 decks33 decks
9%synergy
Temple of Malice
21%inclusion7 decks33 decks
4%synergy
Tainted Field
21%inclusion7 decks33 decks
9%synergy
Temple of Silence
21%inclusion7 decks33 decks
-2%synergy
Temple of Triumph
21%inclusion7 decks33 decks
-1%synergy
Shadowblood Ridge
18%inclusion6 decks33 decks
3%synergy
Graven Cairns
18%inclusion6 decks33 decks
7%synergy
Brightclimb Pathway
18%inclusion6 decks33 decks
9%synergy
Needleverge Pathway
18%inclusion6 decks33 decks
10%synergy
Arid Mesa
18%inclusion6 decks33 decks
-13%synergy
Marsh Flats
18%inclusion6 decks33 decks
-13%synergy
Bloodstained Mire
18%inclusion6 decks33 decks
-14%synergy
Sunscorched Divide
15%inclusion5 decks33 decks
9%synergy
Desolate Mire
15%inclusion5 decks33 decks
4%synergy
Scrubland
15%inclusion5 decks33 decks
3%synergy
Blightstep Pathway
15%inclusion5 decks33 decks
7%synergy
Legion Leadership
15%inclusion5 decks33 decks
11%synergy
Plateau
15%inclusion5 decks33 decks
3%synergy
Radiant Summit
13%inclusion2 decks16 decks
9%synergy