Sevinne, the Chronoclasm
22decks
Narset, Enlightened Exile
11decks
Shiko, Paragon of the Way
5decks
Vadrok, Apex of Thunder
4decks
Shiko and Narset, Unified
4decks
Narset, Jeskai Waymaster
4decks
Kykar, Wind's Fury
2decks
Sokka, Tenacious Tactician
2decks
The Twelfth Doctor // Clara Oswald
1decks
Hinata, Dawn-Crowned
1decks
Ishai, Ojutai Dragonspeaker // Krark, the Thumbless
1decks
Elsha of the Infinite
1decks
Liberty Prime, Recharged
1decks
New Cards
Harmonized Crescendo
13%inclusion2 decks16 decks
10%synergy
Lorehold, the Historian
7.7%inclusion1 decks13 decks
8%synergy
Ajani, Outland Chaperone
6.7%inclusion1 decks15 decks
6%synergy
Collective Inferno
6.3%inclusion1 decks16 decks
5%synergy
Omni-Changeling
6.3%inclusion1 decks16 decks
5%synergy
High Synergy Cards
Faithless Looting
75%inclusion44 decks59 decks
61%synergy
Storm-Kiln Artist
54%inclusion32 decks59 decks
41%synergy
Sevinne's Reclamation
47%inclusion28 decks59 decks
39%synergy
Deep Analysis
39%inclusion23 decks59 decks
36%synergy
Frantic Search
51%inclusion30 decks59 decks
36%synergy
Think Twice
37%inclusion22 decks59 decks
35%synergy
Stormcatch Mentor
39%inclusion23 decks59 decks
34%synergy
Increasing Vengeance
34%inclusion20 decks59 decks
33%synergy
Faithful Mending
32%inclusion19 decks59 decks
30%synergy
Guttersnipe
36%inclusion21 decks59 decks
29%synergy
Top Cards
Swords to Plowshares
63%inclusion37 decks59 decks
-6%synergy
Whirlwind of Thought
51%inclusion30 decks59 decks
27%synergy
Kykar, Wind's Fury
39%inclusion23 decks59 decks
28%synergy
Archmage Emeritus
37%inclusion22 decks59 decks
26%synergy
Jeskai Ascendancy
37%inclusion22 decks59 decks
22%synergy
Counterspell
36%inclusion21 decks59 decks
0%synergy
Goblin Electromancer
34%inclusion20 decks59 decks
28%synergy
Veyran, Voice of Duality
34%inclusion20 decks59 decks
25%synergy
Monastery Mentor
34%inclusion20 decks59 decks
20%synergy
Path to Exile
34%inclusion20 decks59 decks
-15%synergy
Game Changers
Jeska's Will
25%inclusion15 decks59 decks
12%synergy
Underworld Breach
15%inclusion9 decks59 decks
10%synergy
Mystical Tutor
15%inclusion9 decks59 decks
4%synergy
Rhystic Study
15%inclusion9 decks59 decks
-4%synergy
Fierce Guardianship
10%inclusion6 decks59 decks
-5%synergy
Gamble
8.5%inclusion5 decks59 decks
2%synergy
Gifts Ungiven
6.8%inclusion4 decks59 decks
5%synergy
Mox Diamond
5.1%inclusion3 decks59 decks
2%synergy
Narset, Parter of Veils
5.1%inclusion3 decks59 decks
-1%synergy
Ancient Tomb
5.1%inclusion3 decks59 decks
-2%synergy
Creatures
Pinnacle Monk
34%inclusion20 decks59 decks
28%synergy
Vega, the Watcher
31%inclusion18 decks59 decks
27%synergy
Elsha of the Infinite
25%inclusion15 decks59 decks
20%synergy
Harmonic Prodigy
24%inclusion14 decks59 decks
21%synergy
Balmor, Battlemage Captain
22%inclusion13 decks59 decks
15%synergy
Lier, Disciple of the Drowned
20%inclusion12 decks59 decks
17%synergy
Backdraft Hellkite
19%inclusion11 decks59 decks
18%synergy
Young Pyromancer
19%inclusion11 decks59 decks
11%synergy
Third Path Iconoclast
19%inclusion11 decks59 decks
8%synergy
Talrand, Sky Summoner
17%inclusion10 decks59 decks
11%synergy
Birgi, God of Storytelling
15%inclusion9 decks59 decks
10%synergy
Soulfire Grand Master
14%inclusion8 decks59 decks
11%synergy
Dragon's Rage Channeler
14%inclusion8 decks59 decks
11%synergy
Caldera Pyremaw
13%inclusion7 decks54 decks
10%synergy
Elsha, Threefold Master
13%inclusion7 decks54 decks
8%synergy
River Kelpie
12%inclusion7 decks59 decks
12%synergy
Ashling, Flame Dancer
12%inclusion7 decks59 decks
11%synergy
Thunderclap Drake
12%inclusion7 decks59 decks
11%synergy
Snapcaster Mage
12%inclusion7 decks59 decks
10%synergy
Leonin Lightscribe
12%inclusion7 decks59 decks
9%synergy
Bria, Riptide Rogue
12%inclusion7 decks59 decks
8%synergy
Witch Enchanter
12%inclusion7 decks59 decks
5%synergy
Thalia's Geistcaller
10%inclusion6 decks59 decks
10%synergy
Crackling Drake
10%inclusion6 decks59 decks
10%synergy
Baral, Chief of Compliance
10%inclusion6 decks59 decks
9%synergy
Coruscation Mage
10%inclusion6 decks59 decks
8%synergy
Flamehold Grappler
9.3%inclusion5 decks54 decks
6%synergy
Voracious Bibliophile
9.3%inclusion5 decks54 decks
6%synergy
Electro, Assaulting Battery
9.1%inclusion3 decks33 decks
8%synergy
Lyse Hext
9.1%inclusion4 decks44 decks
6%synergy
Vivi Ornitier
9.1%inclusion4 decks44 decks
5%synergy
Sphinx of Forgotten Lore
8.9%inclusion5 decks56 decks
9%synergy
Archmage of Runes
8.9%inclusion5 decks56 decks
6%synergy
Dreadhorde Arcanist
8.5%inclusion5 decks59 decks
8%synergy
Mizzix of the Izmagnus
8.5%inclusion5 decks59 decks
8%synergy
Electrostatic Field
8.5%inclusion5 decks59 decks
8%synergy
Firebrand Archer
8.5%inclusion5 decks59 decks
7%synergy
Haughty Djinn
8.5%inclusion5 decks59 decks
6%synergy
Narset, Jeskai Waymaster
7.4%inclusion4 decks54 decks
5%synergy
Taigam, Master Opportunist
7.4%inclusion4 decks54 decks
4%synergy
Kykar, Zephyr Awakener
7.1%inclusion4 decks56 decks
4%synergy
Porcuparrot
6.8%inclusion4 decks59 decks
6%synergy
Aisha of Sparks and Smoke
6.8%inclusion4 decks59 decks
6%synergy
Pouncing Shoreshark
6.8%inclusion4 decks59 decks
6%synergy
Torrential Gearhulk
6.8%inclusion4 decks59 decks
6%synergy
Lore Drakkis
6.8%inclusion4 decks59 decks
6%synergy
Urabrask
6.8%inclusion4 decks59 decks
6%synergy
Khenra Spellspear
6.8%inclusion4 decks59 decks
5%synergy
Kitsa, Otterball Elite
6.8%inclusion4 decks59 decks
5%synergy
Burnished Hart
6.8%inclusion4 decks59 decks
5%synergy
Instants
Opt
31%inclusion18 decks59 decks
18%synergy
Brainstorm
31%inclusion18 decks59 decks
10%synergy
Galvanic Iteration
29%inclusion17 decks59 decks
28%synergy
Narset's Reversal
27%inclusion16 decks59 decks
20%synergy
Consider
27%inclusion16 decks59 decks
17%synergy
Sink into Stupor
24%inclusion14 decks59 decks
14%synergy
Lightning Bolt
22%inclusion13 decks59 decks
14%synergy
Chemister's Insight
20%inclusion12 decks59 decks
20%synergy
Snap
20%inclusion12 decks59 decks
13%synergy
Otherworldly Gaze
19%inclusion11 decks59 decks
18%synergy
Dovin's Veto
19%inclusion11 decks59 decks
0%synergy
Boros Charm
19%inclusion11 decks59 decks
-2%synergy
Electric Revelation
17%inclusion10 decks59 decks
17%synergy
Generous Gift
17%inclusion10 decks59 decks
-4%synergy
Prismatic Strands
15%inclusion9 decks59 decks
15%synergy
Refuse // Cooperate
15%inclusion9 decks59 decks
15%synergy
Silundi Vision
15%inclusion9 decks59 decks
14%synergy
Prismari Command
15%inclusion9 decks59 decks
10%synergy
Arcane Denial
15%inclusion9 decks59 decks
-1%synergy
Abrade
14%inclusion8 decks59 decks
7%synergy
Mission Briefing
12%inclusion7 decks59 decks
12%synergy
Pull from Eternity
12%inclusion7 decks59 decks
11%synergy
Fact or Fiction
12%inclusion7 decks59 decks
9%synergy
Big Score
12%inclusion7 decks59 decks
7%synergy
Mana Drain
12%inclusion7 decks59 decks
1%synergy
Akroma's Will
12%inclusion7 decks59 decks
0%synergy
Negate
12%inclusion7 decks59 decks
-4%synergy
Cyclonic Rift
12%inclusion7 decks59 decks
-5%synergy
Jeskai Revelation
11%inclusion6 decks54 decks
9%synergy
Ray of Distortion
10%inclusion6 decks59 decks
10%synergy
Desperate Ravings
10%inclusion6 decks59 decks
10%synergy
Izzet Charm
10%inclusion6 decks59 decks
7%synergy
Sublime Epiphany
10%inclusion6 decks59 decks
7%synergy
Valakut Awakening
10%inclusion6 decks59 decks
7%synergy
Legion Leadership
10%inclusion6 decks59 decks
4%synergy
Pongify
10%inclusion6 decks59 decks
3%synergy
An Offer You Can't Refuse
10%inclusion6 decks59 decks
-10%synergy
New Way Forward
9.3%inclusion5 decks54 decks
7%synergy
Laughing Mad
9.1%inclusion4 decks44 decks
9%synergy
Arcane Infusion
8.5%inclusion5 decks59 decks
8%synergy
Cackling Counterpart
8.5%inclusion5 decks59 decks
8%synergy
Momentary Blink
8.5%inclusion5 decks59 decks
7%synergy
Thrill of Possibility
8.5%inclusion5 decks59 decks
5%synergy
Expedite
8.5%inclusion5 decks59 decks
4%synergy
Deflecting Palm
8.5%inclusion5 decks59 decks
3%synergy
Wear // Tear
8.5%inclusion5 decks59 decks
2%synergy
Chaos Warp
8.5%inclusion5 decks59 decks
-14%synergy
Radical Idea
6.8%inclusion4 decks59 decks
7%synergy
Memory Deluge
6.8%inclusion4 decks59 decks
6%synergy
Flying Crane Technique
6.8%inclusion4 decks59 decks
5%synergy
Sorceries
Preordain
31%inclusion18 decks59 decks
17%synergy
Ponder
29%inclusion17 decks59 decks
13%synergy
Blasphemous Act
29%inclusion17 decks59 decks
6%synergy
Divine Reckoning
27%inclusion16 decks59 decks
26%synergy
Past in Flames
27%inclusion16 decks59 decks
25%synergy
Mystic Retrieval
25%inclusion15 decks59 decks
24%synergy
Will of the Jeskai
24%inclusion13 decks54 decks
19%synergy
Ignite the Future
24%inclusion14 decks59 decks
23%synergy
Runic Repetition
22%inclusion13 decks59 decks
22%synergy
Mana Geyser
22%inclusion13 decks59 decks
17%synergy
Expressive Iteration
22%inclusion13 decks59 decks
13%synergy
Increasing Devotion
19%inclusion11 decks59 decks
16%synergy
Devil's Play
17%inclusion10 decks59 decks
17%synergy
See the Truth
17%inclusion10 decks59 decks
15%synergy
Windfall
17%inclusion10 decks59 decks
8%synergy
Quiet Speculation
15%inclusion9 decks59 decks
15%synergy
Solve the Equation
15%inclusion9 decks59 decks
12%synergy
Time Wipe
15%inclusion9 decks59 decks
9%synergy
Gitaxian Probe
15%inclusion9 decks59 decks
8%synergy
Sorceress's Schemes
15%inclusion6 decks41 decks
14%synergy
Mass Diminish
14%inclusion8 decks59 decks
13%synergy
Prisoner's Dilemma
14%inclusion8 decks59 decks
13%synergy
Crash Through
14%inclusion8 decks59 decks
8%synergy
Dusk // Dawn
12%inclusion7 decks59 decks
9%synergy
Farm // Market
10%inclusion6 decks59 decks
10%synergy
Beacon Bolt
10%inclusion6 decks59 decks
10%synergy
Strike It Rich
10%inclusion6 decks59 decks
9%synergy
Angelfire Ignition
10%inclusion6 decks59 decks
9%synergy
Lórien Revealed
10%inclusion6 decks59 decks
8%synergy
Stock Up
8.9%inclusion5 decks56 decks
7%synergy
Recoup
8.5%inclusion5 decks59 decks
8%synergy
Ondu Inversion
8.5%inclusion5 decks59 decks
7%synergy
Mizzix's Mastery
8.5%inclusion5 decks59 decks
5%synergy
Grapeshot
8.5%inclusion5 decks59 decks
5%synergy
Sundering Eruption
8.5%inclusion5 decks59 decks
5%synergy
Dismantling Wave
8.5%inclusion5 decks59 decks
5%synergy
Slip Through Space
8.5%inclusion5 decks59 decks
5%synergy
Approach of the Second Sun
8.5%inclusion5 decks59 decks
4%synergy
Vandalblast
8.5%inclusion5 decks59 decks
0%synergy
Space-Time Anomaly
8.1%inclusion3 decks37 decks
8%synergy
Summons of Saruman
6.8%inclusion4 decks59 decks
7%synergy
Start the TARDIS
6.8%inclusion4 decks59 decks
7%synergy
Scour All Possibilities
6.8%inclusion4 decks59 decks
7%synergy
Finale of Promise
6.8%inclusion4 decks59 decks
6%synergy
Storm Herd
6.8%inclusion4 decks59 decks
6%synergy
Inspired Ultimatum
6.8%inclusion4 decks59 decks
5%synergy
Ancestral Vision
6.8%inclusion4 decks59 decks
4%synergy
Chain Reaction
6.8%inclusion4 decks59 decks
4%synergy
Baral's Expertise
6.8%inclusion4 decks59 decks
3%synergy
Vanquish the Horde
6.8%inclusion4 decks59 decks
3%synergy
Utility Artifacts
Swiftfoot Boots
20%inclusion12 decks59 decks
-4%synergy
Lightning Greaves
19%inclusion11 decks59 decks
-6%synergy
Catalyst Stone
14%inclusion8 decks59 decks
13%synergy
Cori-Steel Cutter
13%inclusion7 decks54 decks
8%synergy
Twinning Staff
12%inclusion7 decks59 decks
11%synergy
Wayfarer's Bauble
12%inclusion7 decks59 decks
1%synergy
Adaptive Training Post
9.3%inclusion5 decks54 decks
7%synergy
Isochron Scepter
8.5%inclusion5 decks59 decks
5%synergy
Mindsplice Apparatus
6.8%inclusion4 decks59 decks
6%synergy
Primal Amulet
6.8%inclusion4 decks59 decks
6%synergy
Sensei's Divining Top
6.8%inclusion4 decks59 decks
1%synergy
Jeskai Monument
5.6%inclusion3 decks54 decks
5%synergy
Dragonfire Blade
5.6%inclusion3 decks54 decks
4%synergy
The Magic Mirror
5.1%inclusion3 decks59 decks
5%synergy
Crystal Shard
5.1%inclusion3 decks59 decks
5%synergy
Sword of Once and Future
5.1%inclusion3 decks59 decks
5%synergy
Aetherflux Reservoir
5.1%inclusion3 decks59 decks
2%synergy
Panharmonicon
5.1%inclusion3 decks59 decks
-4%synergy
Enchantments
Secrets of the Dead
20%inclusion12 decks59 decks
20%synergy
Pariah
20%inclusion12 decks59 decks
20%synergy
Burning Vengeance
19%inclusion11 decks59 decks
18%synergy
Aligned Heart
19%inclusion10 decks54 decks
11%synergy
Frostcliff Siege
19%inclusion10 decks54 decks
6%synergy
Artist's Talent
15%inclusion9 decks59 decks
13%synergy
Ghostly Prison
14%inclusion8 decks59 decks
2%synergy
Jace's Sanctum
12%inclusion7 decks59 decks
11%synergy
Sorcerer Class
12%inclusion7 decks59 decks
9%synergy
Fiery Inscription
12%inclusion7 decks59 decks
9%synergy
Propaganda
12%inclusion7 decks59 decks
0%synergy
Smothering Tithe
12%inclusion7 decks59 decks
-7%synergy
Return the Past
10%inclusion6 decks59 decks
10%synergy
Mystic Remora
10%inclusion6 decks59 decks
-2%synergy
Rediscover the Way
9.3%inclusion5 decks54 decks
7%synergy
Thousand-Year Storm
8.5%inclusion5 decks59 decks
5%synergy
Rite of the Dragoncaller
7.1%inclusion4 decks56 decks
5%synergy
Search for Azcanta
6.8%inclusion4 decks59 decks
6%synergy
Stormchaser's Talent
6.8%inclusion4 decks59 decks
5%synergy
Leyline of Anticipation
6.8%inclusion4 decks59 decks
4%synergy
Roiling Dragonstorm
5.6%inclusion3 decks54 decks
5%synergy
Spellweaver Volute
5.1%inclusion3 decks59 decks
5%synergy
Descent into Avernus
5.1%inclusion3 decks59 decks
4%synergy
Amphibian Downpour
5.1%inclusion3 decks59 decks
3%synergy
Grasp of Fate
5.1%inclusion3 decks59 decks
2%synergy
Caretaker's Talent
5.1%inclusion3 decks59 decks
1%synergy
Impact Tremors
5.1%inclusion3 decks59 decks
-7%synergy
Planeswalkers
Ral, Crackling Wit
14%inclusion8 decks59 decks
10%synergy
Narset of the Ancient Way
12%inclusion7 decks59 decks
6%synergy
Ral, Storm Conduit
10%inclusion6 decks59 decks
9%synergy
Teferi, Time Raveler
8.5%inclusion5 decks59 decks
2%synergy
Elspeth, Storm Slayer
5.6%inclusion3 decks54 decks
1%synergy
Ral, Izzet Viceroy
5.1%inclusion3 decks59 decks
5%synergy
Teferi, Master of Time
5.1%inclusion3 decks59 decks
2%synergy
Utility Lands
Reliquary Tower
39%inclusion23 decks59 decks
5%synergy
Mystic Sanctuary
24%inclusion14 decks59 decks
18%synergy
Otawara, Soaring City
19%inclusion11 decks59 decks
6%synergy
Rogue's Passage
14%inclusion8 decks59 decks
-6%synergy
Cori Mountain Monastery
13%inclusion7 decks54 decks
9%synergy
Temple of the False God
10%inclusion6 decks59 decks
4%synergy
Mistrise Village
9.3%inclusion5 decks54 decks
2%synergy
Emergence Zone
8.5%inclusion5 decks59 decks
7%synergy
Lindblum, Industrial Regency
7.0%inclusion3 decks43 decks
6%synergy
Desolate Lighthouse
6.8%inclusion4 decks59 decks
5%synergy
Guildless Commons
5.1%inclusion3 decks59 decks
5%synergy
Arid Archway
5.1%inclusion3 decks59 decks
5%synergy
Cephalid Coliseum
5.1%inclusion3 decks59 decks
4%synergy
Urza's Saga
5.1%inclusion3 decks59 decks
-3%synergy
Mana Artifacts
Sol Ring
80%inclusion47 decks59 decks
-10%synergy
Arcane Signet
76%inclusion45 decks59 decks
-12%synergy
Talisman of Creativity
37%inclusion22 decks59 decks
-6%synergy
Azorius Signet
36%inclusion21 decks59 decks
3%synergy
Izzet Signet
34%inclusion20 decks59 decks
2%synergy
Talisman of Conviction
34%inclusion20 decks59 decks
-10%synergy
Talisman of Progress
34%inclusion20 decks59 decks
-11%synergy
Boros Signet
31%inclusion18 decks59 decks
1%synergy
Fellwar Stone
22%inclusion13 decks59 decks
-10%synergy
Commander's Sphere
15%inclusion9 decks59 decks
2%synergy
Lotus Petal
14%inclusion8 decks59 decks
7%synergy
Thought Vessel
12%inclusion7 decks59 decks
-12%synergy
Bender's Waterskin
11%inclusion4 decks36 decks
6%synergy
Altar of the Lost
6.8%inclusion4 decks59 decks
7%synergy
Lotus Bloom
5.1%inclusion3 decks59 decks
4%synergy
Mox Amber
5.1%inclusion3 decks59 decks
1%synergy
Mox Opal
5.1%inclusion3 decks59 decks
0%synergy
Chromatic Lantern
5.1%inclusion3 decks59 decks
-4%synergy
Lands
Command Tower
95%inclusion56 decks59 decks
2%synergy
Mystic Monastery
66%inclusion39 decks59 decks
7%synergy
Exotic Orchard
64%inclusion38 decks59 decks
3%synergy
Sulfur Falls
54%inclusion32 decks59 decks
2%synergy
Sacred Foundry
53%inclusion31 decks59 decks
12%synergy
Hallowed Fountain
53%inclusion31 decks59 decks
11%synergy
Steam Vents
51%inclusion30 decks59 decks
11%synergy
Glacial Fortress
49%inclusion29 decks59 decks
-5%synergy
Shivan Reef
46%inclusion27 decks59 decks
5%synergy
Clifftop Retreat
46%inclusion27 decks59 decks
-5%synergy
Raugrin Triome
44%inclusion26 decks59 decks
7%synergy
Battlefield Forge
42%inclusion25 decks59 decks
0%synergy
Training Center
39%inclusion23 decks59 decks
8%synergy
Prairie Stream
39%inclusion23 decks59 decks
-1%synergy
Flooded Strand
37%inclusion22 decks59 decks
8%synergy
Adarkar Wastes
37%inclusion22 decks59 decks
1%synergy
Path of Ancestry
34%inclusion20 decks59 decks
6%synergy
Scalding Tarn
32%inclusion19 decks59 decks
5%synergy
Izzet Boilerworks
31%inclusion18 decks59 decks
18%synergy
Temple of Epiphany
31%inclusion18 decks59 decks
3%synergy
Spectator Seating
31%inclusion18 decks59 decks
1%synergy
Sea of Clouds
31%inclusion18 decks59 decks
0%synergy
Azorius Chancery
29%inclusion17 decks59 decks
17%synergy
Perilous Landscape
29%inclusion17 decks59 decks
10%synergy
Temple of Enlightenment
29%inclusion17 decks59 decks
2%synergy
Arid Mesa
29%inclusion17 decks59 decks
1%synergy
Thundering Falls
27%inclusion16 decks59 decks
18%synergy
Cascade Bluffs
27%inclusion16 decks59 decks
3%synergy
Temple of Triumph
27%inclusion16 decks59 decks
3%synergy
Evolving Wilds
27%inclusion16 decks59 decks
0%synergy
Rugged Prairie
25%inclusion15 decks59 decks
3%synergy
Deserted Beach
25%inclusion15 decks59 decks
3%synergy
Stormcarved Coast
25%inclusion15 decks59 decks
3%synergy
Fabled Passage
24%inclusion14 decks59 decks
16%synergy
Meticulous Archive
24%inclusion14 decks59 decks
15%synergy
Boros Garrison
24%inclusion14 decks59 decks
14%synergy
Elegant Parlor
20%inclusion12 decks59 decks
12%synergy
Sundown Pass
20%inclusion12 decks59 decks
1%synergy
Floodfarm Verge
17%inclusion10 decks58 decks
8%synergy
Mystic Gate
15%inclusion9 decks59 decks
3%synergy
Terramorphic Expanse
15%inclusion9 decks59 decks
-2%synergy
Ash Barrens
14%inclusion8 decks59 decks
6%synergy
Skycloud Expanse
14%inclusion8 decks59 decks
-9%synergy
Riverpyre Verge
13%inclusion7 decks56 decks
4%synergy
Swiftwater Cliffs
12%inclusion7 decks59 decks
7%synergy
Wind-Scarred Crag
12%inclusion7 decks59 decks
5%synergy
Tranquil Cove
12%inclusion7 decks59 decks
5%synergy
Mana Confluence
12%inclusion7 decks59 decks
4%synergy
Volcanic Island
12%inclusion7 decks59 decks
1%synergy
Plateau
12%inclusion7 decks59 decks
1%synergy