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
17.82% of 331 decks
59 decks
Parnesse, the Subtle Brush
2.87% of 870 decks
25 decks
Kalamax, the Stormsire
0.34% of 7010 decks
24 decks
Veyran, Voice of Duality
0.27% of 8420 decks
23 decks
Kess, Dissident Mage
0.17% of 7209 decks
12 decks
Riku of Two Reflections
0.22% of 4895 decks
11 decks
Niv-Mizzet, Parun
0.07% of 14455 decks
10 decks
Lutri, the Spellchaser
6.62% of 136 decks
9 decks
Zaffai, Thunder Conductor
0.53% of 1508 decks
8 decks
Melek, Izzet Paragon
0.33% of 1524 decks
5 decks
Mizzix of the Izmagnus
0.10% of 4857 decks
5 decks
Gandalf the Grey
0.27% of 1836 decks
5 decks
Anhelo, the Painter
0.08% of 6187 decks
5 decks
Cormela, Glamour Thief
0.20% of 2016 decks
4 decks
Niv-Mizzet, Supreme
0.21% of 1875 decks
4 decks
Galazeth Prismari
0.11% of 3782 decks
4 decks
Yusri, Fortune's Flame
0.12% of 2443 decks
3 decks
Kykar, Wind's Fury
0.03% of 10180 decks
3 decks
New Cards
Glimmerburst
60% of 5 decks
+52% synergy
High Synergy Cards
Reverberate
76% of 267 decks
+73% synergy
Increasing Vengeance
61% of 267 decks
+60% synergy
Twinning Staff
61% of 268 decks
+60% synergy
Storm-Kiln Artist
64% of 267 decks
+54% synergy
Dualcaster Mage
58% of 267 decks
+53% synergy
Archmage Emeritus
57% of 268 decks
+49% synergy
Ral, Storm Conduit
52% of 267 decks
+48% synergy
Narset's Reversal
52% of 268 decks
+48% synergy
Reiterate
48% of 267 decks
+47% synergy
Expansion // Explosion
47% of 267 decks
+45% synergy
Top Cards
Growth Spiral
59% of 49 decks
+37% synergy
Farseek
53% of 49 decks
+19% synergy
Goblin Electromancer
51% of 267 decks
+42% synergy
Mirari's Wake
50% of 8 decks
+36% synergy
Rampant Growth
49% of 49 decks
+14% synergy
Cultivate
49% of 49 decks
+3% synergy
Return the Favor
48% of 60 decks
+43% synergy
Frantic Search
47% of 268 decks
+35% synergy
Thousand-Year Storm
46% of 267 decks
+42% synergy
Counterspell
46% of 268 decks
+3% synergy
Creatures
Cormela, Glamour Thief
44% of 61 decks
+42% synergy
Stormcatch Mentor
42% of 24 decks
+30% synergy
Thunderclap Drake
38% of 55 decks
+35% synergy
Witherbloom Apprentice
38% of 8 decks
+35% synergy
Guttersnipe
33% of 267 decks
+27% synergy
Veyran, Voice of Duality
31% of 267 decks
+26% synergy
Nightscape Familiar
30% of 61 decks
+27% synergy
Talrand, Sky Summoner
28% of 268 decks
+23% synergy
Errant, Street Artist
27% of 256 decks
+26% synergy
Kess, Dissident Mage
26% of 61 decks
+22% synergy
Harmonic Prodigy
24% of 262 decks
+20% synergy
Wandering Archaic
22% of 268 decks
+20% synergy
Sedgemoor Witch
21% of 61 decks
+20% synergy
Young Pyromancer
21% of 267 decks
+16% synergy
Niv-Mizzet, Parun
21% of 267 decks
+12% synergy
Quandrix Apprentice
20% of 49 decks
+20% synergy
Ashling, Flame Dancer
20% of 40 decks
+17% synergy
Pinnacle Monk
20% of 35 decks
+13% synergy
Melek, Izzet Paragon
19% of 267 decks
+18% synergy
Judith, Carnage Connoisseur
19% of 16 decks
+17% synergy
Goblin Anarchomancer
18% of 49 decks
+5% synergy
Coruscation Mage
17% of 18 decks
+10% synergy
Wizards of Thay
16% of 249 decks
+15% synergy
Deekah, Fractal Theorist
16% of 268 decks
+15% synergy
Baral, Chief of Compliance
16% of 268 decks
+13% synergy
Nyxbloom Ancient
16% of 49 decks
+12% synergy
Birgi, God of Storytelling
15% of 267 decks
+9% synergy
Haughty Djinn
15% of 241 decks
+14% synergy
Nivix Guildmage
15% of 267 decks
+14% synergy
Rashmi, Eternities Crafter
14% of 49 decks
+12% synergy
Third Path Iconoclast
14% of 220 decks
+6% synergy
Exalted Flamer of Tzeentch
14% of 224 decks
+10% synergy
Naru Meha, Master Wizard
13% of 268 decks
+12% synergy
Echo Mage
13% of 268 decks
+13% synergy
Alania, Divergent Storm
12% of 24 decks
+9% synergy
Lier, Disciple of the Drowned
12% of 258 decks
+11% synergy
Dragonsguard Elite
12% of 49 decks
+12% synergy
Wort, the Raidmother
12% of 49 decks
+12% synergy
Jin-Gitaxias, Progress Tyrant
12% of 256 decks
+9% synergy
Zevlor, Elturel Exile
12% of 59 decks
+11% synergy
Stella Lee, Wild Card
12% of 60 decks
+10% synergy
Archaeomancer
12% of 268 decks
+8% synergy
Ral, Monsoon Mage
11% of 44 decks
+9% synergy
Urabrask
11% of 180 decks
+8% synergy
Electrostatic Field
11% of 267 decks
+8% synergy
Najal, the Storm Runner
10% of 240 decks
+10% synergy
Elder Pine of Jukai
10% of 49 decks
+10% synergy
Quandrix Pledgemage
10% of 49 decks
+10% synergy
Seedborn Muse
10% of 49 decks
+2% synergy
Eternal Witness
10% of 49 decks
-11% synergy
Instants
Brainstorm
44% of 268 decks
+22% synergy
Harrow
39% of 49 decks
+29% synergy
Teach by Example
39% of 267 decks
+38% synergy
Seething Song
37% of 267 decks
+31% synergy
Galvanic Iteration
37% of 257 decks
+34% synergy
Beast Within
37% of 49 decks
-2% synergy
Dark Ritual
36% of 61 decks
+14% synergy
Lightning Bolt
35% of 267 decks
+24% synergy
Chaos Warp
34% of 267 decks
+2% synergy
Swords to Plowshares
33% of 15 decks
-29% synergy
Display of Power
33% of 159 decks
+32% synergy
Crop Rotation
33% of 49 decks
+23% synergy
Invert Polarity
32% of 41 decks
+25% synergy
Opt
31% of 268 decks
+21% synergy
Mystical Tutor
29% of 268 decks
+14% synergy
Big Score
29% of 255 decks
+19% synergy
Bedevil
28% of 61 decks
+13% synergy
Dovin's Veto
27% of 15 decks
+7% synergy
Terminate
26% of 61 decks
+5% synergy
Rakdos Charm
25% of 61 decks
+10% synergy
Double Major
24% of 49 decks
+21% synergy
Unexpected Windfall
24% of 259 decks
+17% synergy
Twinferno
24% of 240 decks
+22% synergy
Arcane Denial
23% of 268 decks
+4% synergy
Maestros Charm
23% of 61 decks
+20% synergy
Manamorphose
22% of 49 decks
+20% synergy
Fury Storm
22% of 267 decks
+22% synergy
Cyclonic Rift
22% of 268 decks
-6% synergy
Boros Charm
21% of 14 decks
-4% synergy
Entish Restoration
21% of 29 decks
+12% synergy
Flare of Duplication
20% of 44 decks
+17% synergy
Prismari Command
20% of 267 decks
+15% synergy
Tempt with Mayhem
20% of 35 decks
+19% synergy
Wild Ricochet
19% of 267 decks
+18% synergy
Snap
19% of 268 decks
+12% synergy
Negate
19% of 268 decks
-4% synergy
Storm King's Thunder
19% of 248 decks
+18% synergy
Natural Connection
18% of 49 decks
+18% synergy
Insidious Will
18% of 268 decks
+18% synergy
Fork
17% of 267 decks
+16% synergy
Thrill of Possibility
17% of 267 decks
+6% synergy
Eureka Moment
16% of 49 decks
+12% synergy
Sink into Stupor
16% of 43 decks
+3% synergy
Comet Storm
16% of 267 decks
+13% synergy
Dig Through Time
16% of 268 decks
+11% synergy
Pongify
16% of 268 decks
+4% synergy
Repeated Reverberation
16% of 267 decks
+15% synergy
Consider
15% of 258 decks
+9% synergy
Dramatic Reversal
15% of 268 decks
+9% synergy
See Double
14% of 187 decks
+12% synergy
Sorceries
Mana Geyser
39% of 267 decks
+33% synergy
Blasphemous Act
37% of 267 decks
+3% synergy
Ponder
37% of 268 decks
+24% synergy
Demonic Tutor
36% of 61 decks
+14% synergy
Jeska's Will
34% of 267 decks
+17% synergy
Feed the Swarm
33% of 61 decks
+15% synergy
Kodama's Reach
33% of 49 decks
+1% synergy
Preordain
30% of 268 decks
+19% synergy
Grapeshot
30% of 267 decks
+25% synergy
Solve the Equation
28% of 268 decks
+23% synergy
Mizzix's Mastery
25% of 267 decks
+22% synergy
Brass's Bounty
24% of 267 decks
+21% synergy
Bonus Round
21% of 267 decks
+20% synergy
Nature's Lore
20% of 49 decks
-12% synergy
Enduring Ideal
20% of 15 decks
+20% synergy
Supreme Verdict
20% of 15 decks
+6% synergy
Expressive Iteration
20% of 267 decks
+13% synergy
Windfall
19% of 268 decks
+6% synergy
Faithless Looting
19% of 267 decks
+2% synergy
Three Visits
18% of 49 decks
-6% synergy
Doublecast
15% of 267 decks
+15% synergy
Vandalblast
14% of 267 decks
-2% synergy
Serum Visions
14% of 268 decks
+9% synergy
Exsanguinate
13% of 61 decks
+8% synergy
Rousing Refrain
13% of 267 decks
+11% synergy
Treasure Cruise
13% of 268 decks
+7% synergy
Crackle with Power
12% of 267 decks
+10% synergy
Past in Flames
12% of 267 decks
+10% synergy
Tempt with Discovery
12% of 49 decks
+8% synergy
Time Warp
12% of 268 decks
+10% synergy
Diabolic Tutor
11% of 61 decks
+5% synergy
Twinflame
11% of 267 decks
+8% synergy
Mind's Desire
11% of 268 decks
+10% synergy
Epic Experiment
10% of 267 decks
+9% synergy
Skyshroud Claim
10% of 49 decks
+1% synergy
Mnemonic Deluge
10% of 268 decks
+9% synergy
Rite of Replication
10% of 268 decks
+7% synergy
Incarnation Technique
10% of 61 decks
+9% synergy
Scheming Symmetry
10% of 61 decks
+8% synergy
Gitaxian Probe
9% of 268 decks
+3% synergy
Hit the Mother Lode
9% of 88 decks
+6% synergy
Banefire
9% of 267 decks
+8% synergy
Prisoner's Dilemma
9% of 67 decks
+7% synergy
Gamble
9% of 267 decks
-1% synergy
Pirate's Pillage
8% of 267 decks
+6% synergy
Tendrils of Agony
8% of 61 decks
+8% synergy
Maestros Confluence
8% of 61 decks
+7% synergy
Fevered Suspicion
8% of 61 decks
+6% synergy
Army of the Damned
8% of 61 decks
+6% synergy
Profane Tutor
8% of 61 decks
+5% synergy
Utility Artifacts
Primal Amulet
40% of 268 decks
+39% synergy
Isochron Scepter
22% of 268 decks
+20% synergy
Mindsplice Apparatus
22% of 201 decks
+20% synergy
Lithoform Engine
18% of 268 decks
+16% synergy
Wayfarer's Bauble
16% of 268 decks
+6% synergy
Swiftfoot Boots
12% of 268 decks
-16% synergy
Lightning Greaves
11% of 268 decks
-15% synergy
Mirari
9% of 268 decks
+9% synergy
Vedalken Orrery
7% of 268 decks
+6% synergy
Aetherflux Reservoir
7% of 268 decks
+3% synergy
Wand of Wonder
6% of 248 decks
+4% synergy
Sapphire Medallion
6% of 268 decks
+3% synergy
Sensei's Divining Top
5% of 268 decks
-0% synergy
Enchantments
Wilderness Reclamation
39% of 49 decks
+35% synergy
Swarm Intelligence
38% of 268 decks
+37% synergy
Double Vision
37% of 267 decks
+35% synergy
Whirlwind of Thought
36% of 14 decks
+25% synergy
Smothering Tithe
27% of 15 decks
+2% synergy
Rhystic Study
22% of 268 decks
-6% synergy
Darksteel Mutation
20% of 15 decks
+14% synergy
Fiery Inscription
18% of 144 decks
+14% synergy
Arcane Bombardment
16% of 255 decks
+14% synergy
Leyline of Anticipation
15% of 268 decks
+10% synergy
Dual Casting
14% of 267 decks
+14% synergy
Leyline Immersion
12% of 32 decks
+11% synergy
Artist's Talent
12% of 24 decks
+9% synergy
Metallurgic Summonings
11% of 268 decks
+10% synergy
Jace's Sanctum
10% of 268 decks
+9% synergy
Black Market Connections
10% of 59 decks
-1% synergy
Propaganda
10% of 268 decks
-1% synergy
Candlekeep Sage
10% of 249 decks
+9% synergy
Mystic Remora
9% of 268 decks
-9% synergy
Underworld Breach
9% of 267 decks
+2% synergy
Amphibian Downpour
8% of 40 decks
+4% synergy
Curiosity
7% of 268 decks
+4% synergy
Shark Typhoon
7% of 268 decks
+4% synergy
Sorcerer Class
7% of 259 decks
+4% synergy
Storm of Saruman
7% of 166 decks
+5% synergy
Arcane Melee
6% of 268 decks
+6% synergy
Mana Reflection
6% of 49 decks
+4% synergy
Song of Creation
6% of 49 decks
+4% synergy
Sunbird's Invocation
6% of 267 decks
+4% synergy
Case of the Ransacked Lab
5% of 74 decks
+3% synergy
Battles
Invasion of Arcavios
7% of 174 decks
+6% synergy
Planeswalkers
Narset of the Ancient Way
21% of 14 decks
+18% synergy
Professor Onyx
21% of 61 decks
+20% synergy
Ral, Crackling Wit
21% of 24 decks
+12% synergy
Chandra, Hope's Beacon
18% of 193 decks
+16% synergy
Rowan, Scholar of Sparks
10% of 267 decks
+9% synergy
Saheeli, Sublime Artificer
5% of 267 decks
+1% synergy
Utility Lands
Reliquary Tower
44% of 268 decks
+15% synergy
Mystic Sanctuary
29% of 268 decks
+17% synergy
Temple of the False God
15% of 268 decks
+5% synergy
Sunken Palace
14% of 35 decks
+13% synergy
Restless Spire
13% of 110 decks
+10% synergy
Mosswort Bridge
12% of 49 decks
+2% synergy
Bojuka Bog
11% of 61 decks
-19% synergy
Riptide Laboratory
11% of 268 decks
+9% synergy
Desolate Lighthouse
11% of 267 decks
+7% synergy
Otawara, Soaring City
10% of 256 decks
-7% synergy
Boseiju, Who Endures
9% of 47 decks
-11% synergy
Alchemist's Refuge
8% of 49 decks
+1% synergy
Kessig Wolf Run
8% of 49 decks
-8% synergy
Scavenger Grounds
8% of 268 decks
+4% synergy
Emergence Zone
7% of 268 decks
+5% synergy
Mirrorpool
7% of 268 decks
+6% synergy
Castle Vantress
7% of 268 decks
+2% synergy
Rivendell
7% of 166 decks
+1% synergy
Halimar Depths
6% of 268 decks
+3% synergy
Mana Artifacts
Sol Ring
80% of 268 decks
-4% synergy
Arcane Signet
75% of 268 decks
+3% synergy
Rakdos Signet
51% of 61 decks
+21% synergy
Izzet Signet
50% of 267 decks
+22% synergy
Dimir Signet
49% of 61 decks
+19% synergy
Talisman of Creativity
41% of 267 decks
+12% synergy
Talisman of Dominance
30% of 61 decks
-2% synergy
Pyromancer's Goggles
27% of 267 decks
+26% synergy
Thought Vessel
27% of 268 decks
+10% synergy
Talisman of Indulgence
26% of 61 decks
+0% synergy
Talisman of Conviction
21% of 14 decks
-1% synergy
Fellwar Stone
21% of 268 decks
-1% synergy
Talisman of Progress
20% of 15 decks
-3% synergy
Mind Stone
18% of 268 decks
+1% synergy
Commander's Sphere
16% of 268 decks
+1% synergy
Gruul Signet
12% of 49 decks
+0% synergy
Simic Signet
12% of 49 decks
-2% synergy
Chromatic Lantern
11% of 268 decks
+1% synergy
Relic of Sauron
11% of 28 decks
-1% synergy
Decanter of Endless Water
10% of 249 decks
+5% synergy
Talisman of Curiosity
8% of 49 decks
-4% synergy
Sky Diamond
8% of 268 decks
+3% synergy
Fire Diamond
7% of 267 decks
+2% synergy
Gilded Lotus
7% of 268 decks
+4% synergy
Relic of Legends
7% of 241 decks
+5% synergy
Midnight Clock
7% of 268 decks
+1% synergy
Talisman of Impulse
6% of 49 decks
-3% synergy
Springleaf Drum
6% of 268 decks
+4% synergy
Thran Dynamo
6% of 268 decks
+1% synergy
Lands
Command Tower
82% of 268 decks
+8% synergy
The World Tree
75% of 8 decks
+41% synergy
Sulfur Falls
51% of 267 decks
+20% synergy
Frontier Bivouac
49% of 49 decks
+22% synergy
Shivan Reef
48% of 267 decks
+21% synergy
Ketria Triome
45% of 49 decks
+12% synergy
Raugrin Triome
43% of 14 decks
+16% synergy
Sacred Foundry
43% of 14 decks
+7% synergy
Sunken Hollow
43% of 61 decks
+8% synergy
Watery Grave
43% of 61 decks
+2% synergy
Izzet Boilerworks
42% of 267 decks
+26% synergy
Hallowed Fountain
40% of 15 decks
-1% synergy
Steam Vents
40% of 267 decks
+1% synergy
Training Center
39% of 267 decks
+11% synergy
Xander's Lounge
38% of 61 decks
+10% synergy
Smoldering Marsh
38% of 61 decks
+5% synergy
Savai Triome
38% of 8 decks
+10% synergy
Zagoth Triome
38% of 8 decks
+7% synergy
Indatha Triome
38% of 8 decks
+6% synergy
Temple Garden
38% of 8 decks
-3% synergy
Godless Shrine
38% of 8 decks
-3% synergy
Overgrown Tomb
38% of 8 decks
-5% synergy
Temple of Epiphany
37% of 267 decks
+19% synergy
Exotic Orchard
37% of 268 decks
+1% synergy
Yavimaya Coast
37% of 49 decks
+10% synergy
Crumbling Necropolis
36% of 61 decks
+5% synergy
Blood Crypt
36% of 61 decks
-3% synergy
Cinder Glade
35% of 49 decks
-4% synergy
Simic Growth Chamber
33% of 49 decks
+13% synergy
Cascade Bluffs
31% of 267 decks
+20% synergy
Dragonskull Summit
31% of 61 decks
+1% synergy
Gruul Turf
31% of 49 decks
+15% synergy
Rejuvenating Springs
31% of 49 decks
+2% synergy
Stormcarved Coast
30% of 256 decks
+12% synergy
Frostboil Snarl
29% of 267 decks
+15% synergy
Mystic Monastery
29% of 14 decks
+2% synergy
Hinterland Harbor
27% of 49 decks
-1% synergy
Stomping Ground
27% of 49 decks
-15% synergy
Shipwreck Marsh
26% of 61 decks
+7% synergy
Underground River
26% of 61 decks
+7% synergy
Dreamroot Cascade
26% of 47 decks
+7% synergy
Myriad Landscape
25% of 268 decks
+5% synergy
Ferrous Lake
23% of 64 decks
+14% synergy
Rockfall Vale
23% of 47 decks
+1% synergy
Morphic Pool
23% of 61 decks
-3% synergy
Breeding Pool
22% of 49 decks
-19% synergy
Temple of Triumph
21% of 14 decks
+5% synergy
Choked Estuary
21% of 61 decks
+5% synergy
Drowned Catacomb
21% of 61 decks
-4% synergy
Luxury Suite
21% of 61 decks
-5% synergy