Rootha, Mercurial Artist + Twincast
Rootha, Mercurial Artist
Twincast
Requires
Rootha, Mercurial Artist must be on the battlefield.
Twincast must be in hand.
Mana needed: 
Steps
- Cast an instant or sorcery spell, or wait for an opponent to cast one.
- Holding priority, cast Twincast by paying , targeting the spell.
- Activate Rootha by paying and returning it to your hand, copying Twincast, with the copy targeting the original Twincast.
- Resolve the copy of Twincast, copying Twincast, targeting the original Twincast.
- Repeat step 4.
Results
Infinite magecraft triggers.
Rootha, Mercurial Artist
17.70% of 322 decks
57 decks
Parnesse, the Subtle Brush
2.85% of 911 decks
26 decks
Kalamax, the Stormsire
0.37% of 7024 decks
26 decks
Veyran, Voice of Duality
0.25% of 8452 decks
21 decks
Kess, Dissident Mage
0.17% of 7187 decks
12 decks
Riku of Two Reflections
0.23% of 4875 decks
11 decks
Lutri, the Spellchaser
6.52% of 138 decks
9 decks
Niv-Mizzet, Parun
0.06% of 14703 decks
9 decks
Zaffai, Thunder Conductor
0.47% of 1498 decks
7 decks
Gandalf the Grey
0.26% of 1891 decks
5 decks
Melek, Izzet Paragon
0.33% of 1527 decks
5 decks
Mizzix of the Izmagnus
0.08% of 4902 decks
4 decks
Anhelo, the Painter
0.06% of 6171 decks
4 decks
Galazeth Prismari
0.11% of 3803 decks
4 decks
Niv-Mizzet, Supreme
0.21% of 1930 decks
4 decks
Cormela, Glamour Thief
0.20% of 2045 decks
4 decks
Yusri, Fortune's Flame
0.12% of 2574 decks
3 decks
Neera, Wild Mage
0.07% of 4448 decks
3 decks
New Cards
Boltwave
100% of 3 decks
+81% synergy
Glimmerburst
38% of 8 decks
+33% synergy
Enter the Enigma
27% of 11 decks
+19% synergy
High Synergy Cards
Reverberate
76% of 264 decks
+73% synergy
Increasing Vengeance
62% of 264 decks
+61% synergy
Twinning Staff
62% of 264 decks
+61% synergy
Storm-Kiln Artist
64% of 264 decks
+54% synergy
Dualcaster Mage
59% of 264 decks
+54% synergy
Archmage Emeritus
57% of 264 decks
+49% synergy
Narset's Reversal
52% of 264 decks
+49% synergy
Ral, Storm Conduit
52% of 264 decks
+48% synergy
Reiterate
48% of 264 decks
+46% synergy
Expansion // Explosion
47% of 264 decks
+44% synergy
Top Cards
Growth Spiral
59% of 54 decks
+37% synergy
Farseek
56% of 54 decks
+21% synergy
Goblin Electromancer
50% of 264 decks
+41% synergy
Stormcatch Mentor
50% of 28 decks
+38% synergy
Cultivate
48% of 54 decks
+2% synergy
Thousand-Year Storm
47% of 264 decks
+43% synergy
Return the Favor
47% of 66 decks
+42% synergy
Frantic Search
47% of 264 decks
+35% synergy
Counterspell
47% of 264 decks
+4% synergy
Mirari's Wake
44% of 9 decks
+31% synergy
Creatures
Cormela, Glamour Thief
44% of 61 decks
+42% synergy
Thunderclap Drake
38% of 60 decks
+35% synergy
Guttersnipe
34% of 264 decks
+27% synergy
Witherbloom Apprentice
33% of 9 decks
+31% synergy
Nightscape Familiar
31% of 61 decks
+29% synergy
Veyran, Voice of Duality
31% of 264 decks
+26% synergy
Talrand, Sky Summoner
27% of 264 decks
+22% synergy
Errant, Street Artist
26% of 253 decks
+26% synergy
Kess, Dissident Mage
25% of 61 decks
+20% synergy
Wandering Archaic
23% of 264 decks
+21% synergy
Harmonic Prodigy
23% of 260 decks
+19% synergy
Sedgemoor Witch
21% of 61 decks
+20% synergy
Kitsa, Otterball Elite
21% of 19 decks
+18% synergy
Niv-Mizzet, Parun
21% of 264 decks
+13% synergy
Quandrix Apprentice
20% of 54 decks
+20% synergy
Young Pyromancer
20% of 264 decks
+15% synergy
Melek, Izzet Paragon
19% of 264 decks
+18% synergy
Ashling, Flame Dancer
18% of 44 decks
+16% synergy
Pinnacle Monk
18% of 39 decks
+11% synergy
Judith, Carnage Connoisseur
18% of 17 decks
+16% synergy
Wizards of Thay
17% of 247 decks
+16% synergy
Coruscation Mage
17% of 23 decks
+11% synergy
Nyxbloom Ancient
17% of 54 decks
+13% synergy
Goblin Anarchomancer
17% of 54 decks
+3% synergy
Baral, Chief of Compliance
16% of 264 decks
+13% synergy
Deekah, Fractal Theorist
16% of 264 decks
+15% synergy
Nivix Guildmage
16% of 264 decks
+15% synergy
Birgi, God of Storytelling
16% of 264 decks
+10% synergy
Haughty Djinn
15% of 242 decks
+13% synergy
Third Path Iconoclast
14% of 224 decks
+7% synergy
Exalted Flamer of Tzeentch
14% of 227 decks
+10% synergy
Echo Mage
13% of 264 decks
+13% synergy
Naru Meha, Master Wizard
13% of 264 decks
+13% synergy
Wort, the Raidmother
13% of 54 decks
+13% synergy
Rashmi, Eternities Crafter
13% of 54 decks
+10% synergy
Eternal Witness
13% of 54 decks
-8% synergy
Ral, Monsoon Mage
12% of 48 decks
+10% synergy
Zevlor, Elturel Exile
12% of 59 decks
+11% synergy
Jin-Gitaxias, Progress Tyrant
12% of 253 decks
+9% synergy
Archaeomancer
12% of 264 decks
+8% synergy
Urabrask
11% of 187 decks
+8% synergy
Quandrix Pledgemage
11% of 54 decks
+11% synergy
Dragonsguard Elite
11% of 54 decks
+11% synergy
Seedborn Muse
11% of 54 decks
+3% synergy
Electrostatic Field
11% of 264 decks
+8% synergy
Lier, Disciple of the Drowned
11% of 255 decks
+10% synergy
Najal, the Storm Runner
11% of 242 decks
+10% synergy
Alania, Divergent Storm
11% of 28 decks
+8% synergy
Stella Lee, Wild Card
11% of 66 decks
+9% synergy
Zaffai, Thunder Conductor
10% of 264 decks
+10% synergy
Instants
Brainstorm
43% of 264 decks
+22% synergy
Teach by Example
39% of 264 decks
+38% synergy
Seething Song
38% of 264 decks
+32% synergy
Harrow
37% of 54 decks
+27% synergy
Galvanic Iteration
37% of 255 decks
+34% synergy
Dark Ritual
36% of 61 decks
+14% synergy
Beast Within
35% of 54 decks
-3% synergy
Lightning Bolt
35% of 264 decks
+24% synergy
Swords to Plowshares
33% of 15 decks
-29% synergy
Chaos Warp
33% of 264 decks
+1% synergy
Display of Power
32% of 166 decks
+31% synergy
Crop Rotation
31% of 54 decks
+22% synergy
Opt
30% of 264 decks
+20% synergy
Mystical Tutor
30% of 264 decks
+15% synergy
Invert Polarity
29% of 45 decks
+23% synergy
Big Score
29% of 253 decks
+20% synergy
Dovin's Veto
27% of 15 decks
+8% synergy
Double Major
26% of 54 decks
+22% synergy
Bedevil
25% of 61 decks
+10% synergy
Terminate
25% of 61 decks
+4% synergy
Manamorphose
24% of 54 decks
+21% synergy
Twinferno
24% of 242 decks
+22% synergy
Unexpected Windfall
23% of 257 decks
+16% synergy
Rakdos Charm
23% of 61 decks
+9% synergy
Fury Storm
23% of 264 decks
+22% synergy
Arcane Denial
22% of 264 decks
+3% synergy
Cyclonic Rift
22% of 264 decks
-5% synergy
Planar Genesis
21% of 14 decks
+14% synergy
Maestros Charm
21% of 61 decks
+19% synergy
Entish Restoration
21% of 33 decks
+13% synergy
Flare of Duplication
21% of 48 decks
+17% synergy
Tempt with Mayhem
21% of 39 decks
+19% synergy
Boros Charm
20% of 15 decks
-5% synergy
Snap
20% of 264 decks
+13% synergy
Wild Ricochet
19% of 264 decks
+18% synergy
Prismari Command
19% of 264 decks
+14% synergy
Storm King's Thunder
19% of 247 decks
+18% synergy
Insidious Will
19% of 264 decks
+18% synergy
Negate
18% of 264 decks
-5% synergy
Fork
18% of 264 decks
+17% synergy
Sink into Stupor
17% of 47 decks
+4% synergy
Natural Connection
17% of 54 decks
+16% synergy
Comet Storm
16% of 264 decks
+13% synergy
Thrill of Possibility
16% of 264 decks
+5% synergy
Dramatic Reversal
15% of 264 decks
+10% synergy
Pongify
15% of 264 decks
+4% synergy
See Double
15% of 193 decks
+13% synergy
Eureka Moment
15% of 54 decks
+11% synergy
Repeated Reverberation
15% of 264 decks
+14% synergy
Malicious Affliction
15% of 61 decks
+14% synergy
Sorceries
Rampant Growth
44% of 54 decks
+10% synergy
Mana Geyser
40% of 264 decks
+33% synergy
Ponder
36% of 264 decks
+23% synergy
Blasphemous Act
35% of 264 decks
+1% synergy
Demonic Tutor
34% of 61 decks
+12% synergy
Jeska's Will
34% of 264 decks
+17% synergy
Kodama's Reach
31% of 54 decks
+0% synergy
Feed the Swarm
31% of 61 decks
+13% synergy
Grapeshot
30% of 264 decks
+26% synergy
Preordain
29% of 264 decks
+18% synergy
Solve the Equation
28% of 264 decks
+23% synergy
Mizzix's Mastery
24% of 264 decks
+20% synergy
Brass's Bounty
23% of 264 decks
+21% synergy
Nature's Lore
22% of 54 decks
-10% synergy
Bonus Round
22% of 264 decks
+21% synergy
Windfall
20% of 264 decks
+7% synergy
Enduring Ideal
20% of 15 decks
+20% synergy
Supreme Verdict
20% of 15 decks
+6% synergy
Expressive Iteration
19% of 264 decks
+13% synergy
Three Visits
19% of 54 decks
-6% synergy
Faithless Looting
18% of 264 decks
+2% synergy
Doublecast
16% of 264 decks
+15% synergy
Vandalblast
14% of 264 decks
-2% synergy
Serum Visions
13% of 264 decks
+9% synergy
Past in Flames
12% of 264 decks
+10% synergy
Crackle with Power
12% of 264 decks
+10% synergy
Rousing Refrain
12% of 264 decks
+10% synergy
Incarnation Technique
11% of 61 decks
+10% synergy
Scheming Symmetry
11% of 61 decks
+9% synergy
Exsanguinate
11% of 61 decks
+6% synergy
Diabolic Tutor
11% of 61 decks
+5% synergy
Time Warp
11% of 264 decks
+9% synergy
Twinflame
11% of 264 decks
+8% synergy
Treasure Cruise
11% of 264 decks
+6% synergy
Tempt with Discovery
11% of 54 decks
+7% synergy
Mind's Desire
11% of 264 decks
+10% synergy
Epic Experiment
10% of 264 decks
+9% synergy
Rite of Replication
10% of 264 decks
+7% synergy
Mnemonic Deluge
10% of 264 decks
+9% synergy
Tendrils of Agony
10% of 61 decks
+9% synergy
Gitaxian Probe
9% of 264 decks
+4% synergy
Prisoner's Dilemma
9% of 74 decks
+8% synergy
Skyshroud Claim
9% of 54 decks
+0% synergy
Gamble
9% of 264 decks
-1% synergy
Banefire
9% of 264 decks
+8% synergy
Hit the Mother Lode
8% of 95 decks
+6% synergy
Pirate's Pillage
8% of 264 decks
+6% synergy
Profane Tutor
8% of 61 decks
+5% synergy
Cruel Ultimatum
8% of 61 decks
+5% synergy
Toxic Deluge
8% of 61 decks
-9% synergy
Utility Artifacts
Primal Amulet
41% of 264 decks
+39% synergy
Isochron Scepter
23% of 264 decks
+20% synergy
Mindsplice Apparatus
22% of 206 decks
+20% synergy
Lithoform Engine
18% of 264 decks
+17% synergy
Wayfarer's Bauble
14% of 264 decks
+4% synergy
Swiftfoot Boots
13% of 264 decks
-15% synergy
Lightning Greaves
11% of 264 decks
-14% synergy
Mirari
9% of 264 decks
+9% synergy
Vedalken Orrery
7% of 264 decks
+6% synergy
Aetherflux Reservoir
7% of 264 decks
+3% synergy
Sapphire Medallion
5% of 264 decks
+3% synergy
Sensei's Divining Top
5% of 264 decks
-0% synergy
Wand of Wonder
5% of 247 decks
+3% synergy
Enchantments
Swarm Intelligence
39% of 264 decks
+38% synergy
Wilderness Reclamation
39% of 54 decks
+35% synergy
Double Vision
36% of 264 decks
+34% synergy
Whirlwind of Thought
33% of 15 decks
+23% synergy
Rhystic Study
22% of 264 decks
-6% synergy
Darksteel Mutation
20% of 15 decks
+14% synergy
Smothering Tithe
20% of 15 decks
-5% synergy
Fiery Inscription
17% of 151 decks
+13% synergy
Arcane Bombardment
16% of 253 decks
+14% synergy
Dual Casting
15% of 264 decks
+15% synergy
Leyline of Anticipation
15% of 264 decks
+10% synergy
Leyline Immersion
11% of 36 decks
+10% synergy
Jace's Sanctum
11% of 264 decks
+9% synergy
Artist's Talent
11% of 28 decks
+8% synergy
Black Market Connections
10% of 59 decks
-1% synergy
Candlekeep Sage
10% of 247 decks
+9% synergy
Metallurgic Summonings
9% of 264 decks
+8% synergy
Propaganda
9% of 264 decks
-3% synergy
Mystic Remora
9% of 264 decks
-9% synergy
Underworld Breach
9% of 264 decks
+3% synergy
Case of the Ransacked Lab
8% of 80 decks
+5% synergy
Mana Reflection
7% of 54 decks
+6% synergy
Sorcerer Class
7% of 257 decks
+5% synergy
Curiosity
7% of 264 decks
+4% synergy
Shark Typhoon
7% of 264 decks
+4% synergy
Amphibian Downpour
7% of 44 decks
+3% synergy
Arcane Melee
6% of 264 decks
+6% synergy
Storm of Saruman
6% of 172 decks
+5% synergy
Song of Creation
6% of 54 decks
+3% synergy
Wizard Class
5% of 257 decks
+1% synergy
Sunbird's Invocation
5% of 264 decks
+3% synergy
Battles
Invasion of Arcavios
7% of 180 decks
+6% synergy
Planeswalkers
Ral, Crackling Wit
25% of 28 decks
+17% synergy
Professor Onyx
20% of 61 decks
+18% synergy
Chandra, Hope's Beacon
19% of 199 decks
+17% synergy
Rowan, Scholar of Sparks
9% of 264 decks
+8% synergy
Saheeli, Sublime Artificer
5% of 264 decks
+1% synergy
Utility Lands
Reliquary Tower
44% of 264 decks
+15% synergy
Mystic Sanctuary
29% of 264 decks
+17% synergy
Temple of the False God
16% of 264 decks
+6% synergy
Mosswort Bridge
13% of 54 decks
+3% synergy
Sunken Palace
13% of 39 decks
+11% synergy
Riptide Laboratory
11% of 264 decks
+9% synergy
Restless Spire
11% of 117 decks
+8% synergy
Otawara, Soaring City
11% of 253 decks
-6% synergy
Desolate Lighthouse
10% of 264 decks
+6% synergy
Bojuka Bog
10% of 61 decks
-20% synergy
Boseiju, Who Endures
10% of 52 decks
-10% synergy
Kessig Wolf Run
9% of 54 decks
-7% synergy
Alchemist's Refuge
7% of 54 decks
+1% synergy
Mirrorpool
7% of 264 decks
+7% synergy
Emergence Zone
7% of 264 decks
+5% synergy
Scavenger Grounds
6% of 264 decks
+3% synergy
Rivendell
6% of 172 decks
+1% synergy
Castle Vantress
6% of 264 decks
+2% synergy
Halimar Depths
6% of 264 decks
+3% synergy
Mana Artifacts
Sol Ring
79% of 264 decks
-6% synergy
Arcane Signet
75% of 264 decks
+3% synergy
Dimir Signet
49% of 61 decks
+20% synergy
Rakdos Signet
49% of 61 decks
+20% synergy
Izzet Signet
48% of 264 decks
+20% synergy
Talisman of Creativity
39% of 264 decks
+10% synergy
Talisman of Dominance
28% of 61 decks
-4% synergy
Pyromancer's Goggles
27% of 264 decks
+25% synergy
Thought Vessel
26% of 264 decks
+9% synergy
Talisman of Indulgence
25% of 61 decks
-2% synergy
Talisman of Progress
20% of 15 decks
-3% synergy
Talisman of Conviction
20% of 15 decks
-3% synergy
Fellwar Stone
19% of 264 decks
-2% synergy
Mind Stone
17% of 264 decks
-1% synergy
Commander's Sphere
16% of 264 decks
+1% synergy
Relic of Sauron
14% of 29 decks
+3% synergy
Gruul Signet
11% of 54 decks
-1% synergy
Simic Signet
11% of 54 decks
-3% synergy
Chromatic Lantern
11% of 264 decks
+1% synergy
Decanter of Endless Water
10% of 247 decks
+5% synergy
Relic of Legends
8% of 242 decks
+6% synergy
Talisman of Curiosity
7% of 54 decks
-5% synergy
Gilded Lotus
7% of 264 decks
+4% synergy
Sky Diamond
7% of 264 decks
+2% synergy
Fire Diamond
7% of 264 decks
+2% synergy
Springleaf Drum
6% of 264 decks
+5% synergy
Thran Dynamo
6% of 264 decks
+1% synergy
Midnight Clock
6% of 264 decks
+0% synergy
Talisman of Impulse
6% of 54 decks
-3% synergy
Lands
Command Tower
82% of 264 decks
+8% synergy
The World Tree
78% of 9 decks
+44% synergy
Sulfur Falls
50% of 264 decks
+20% synergy
Frontier Bivouac
48% of 54 decks
+21% synergy
Ketria Triome
46% of 54 decks
+14% synergy
Shivan Reef
46% of 264 decks
+19% synergy
Watery Grave
44% of 61 decks
+4% synergy
Sunken Hollow
43% of 61 decks
+8% synergy
Steam Vents
42% of 264 decks
+3% synergy
Izzet Boilerworks
41% of 264 decks
+25% synergy
Sacred Foundry
40% of 15 decks
+4% synergy
Hallowed Fountain
40% of 15 decks
-1% synergy
Training Center
39% of 264 decks
+11% synergy
Smoldering Marsh
38% of 61 decks
+5% synergy
Blood Crypt
38% of 61 decks
-1% synergy
Xander's Lounge
36% of 61 decks
+9% synergy
Exotic Orchard
36% of 264 decks
+0% synergy
Temple of Epiphany
35% of 264 decks
+17% synergy
Yavimaya Coast
35% of 54 decks
+9% synergy
Raugrin Triome
33% of 15 decks
+7% synergy
Savai Triome
33% of 9 decks
+6% synergy
Zagoth Triome
33% of 9 decks
+3% synergy
Indatha Triome
33% of 9 decks
+2% synergy
Temple Garden
33% of 9 decks
-7% synergy
Godless Shrine
33% of 9 decks
-7% synergy
Overgrown Tomb
33% of 9 decks
-9% synergy
Crumbling Necropolis
33% of 61 decks
+2% synergy
Cascade Bluffs
32% of 264 decks
+20% synergy
Rejuvenating Springs
31% of 54 decks
+3% synergy
Cinder Glade
31% of 54 decks
-7% synergy
Stormcarved Coast
30% of 254 decks
+13% synergy
Simic Growth Chamber
30% of 54 decks
+10% synergy
Stomping Ground
30% of 54 decks
-12% synergy
Frostboil Snarl
28% of 264 decks
+15% synergy
Dragonskull Summit
28% of 61 decks
-3% synergy
Gruul Turf
28% of 54 decks
+12% synergy
Hinterland Harbor
28% of 54 decks
+0% synergy
Temple of Triumph
27% of 15 decks
+10% synergy
Mystic Monastery
27% of 15 decks
+0% synergy
Breeding Pool
26% of 54 decks
-15% synergy
Dreamroot Cascade
25% of 52 decks
+6% synergy
Shipwreck Marsh
25% of 61 decks
+6% synergy
Underground River
25% of 61 decks
+5% synergy
Myriad Landscape
23% of 264 decks
+4% synergy
Rockfall Vale
23% of 52 decks
+1% synergy
Morphic Pool
23% of 61 decks
-3% synergy
Ferrous Lake
21% of 70 decks
+12% synergy
Luxury Suite
21% of 61 decks
-5% synergy
Scalding Tarn
20% of 264 decks
+9% synergy
Spire Garden
20% of 54 decks
-4% synergy