Expansion // Explosion
Fork

   Prerequisites

What do I need to start this combo?
Expansion // Explosion and Fork in hand.
You have a way to cast an additional instant or sorcery, or an opponent is casting one.
urur, plus enough mana to cast the additional spell if needed available

   Steps

How does this combo work?
1
Cast any other instant and/or sorcery spell, or wait for an opponent to cast one.
2
Holding priority, cast Expansion by paying urur, copying the next instant or sorcery spell you cast with mana value four or less.
3
Cast Fork by paying , targeting the instant or sorcery spell cast in step 1.
4
The delayed trigger from Expansion triggers, copying Fork, with the copy targeting the original Fork.
5
Resolve the copy of Fork, copying Fork, with the copy targeting the original Fork.
6
Repeat step 5.

   Results

What do I get from this combo?
Infinite magecraft triggers
Kalamax, the Stormsire
2.8%inclusion236 decks8.35K decks
Veyran, Voice of Duality
0.7%inclusion75 decks10.4K decks
Fire Lord Azula
0.2%inclusion64 decks28.4K decks
Alania, Divergent Storm
0.5%inclusion48 decks10.4K decks
Niv-Mizzet, Parun
0.2%inclusion34 decks15.9K decks
Mizzix of the Izmagnus
0.6%inclusion32 decks5.53K decks
Riku of Two Reflections
0.6%inclusion30 decks5.09K decks
Parnesse, the Subtle Brush
2.2%inclusion29 decks1.34K decks
Stella Lee, Wild Card
0.2%inclusion27 decks14.3K decks
Vivi Ornitier
0.1%inclusion26 decks31K decks
Kess, Dissident Mage
0.3%inclusion21 decks8.03K decks
Lutri, the Spellchaser
4.1%inclusion21 decks518 decks
Melek, Izzet Paragon
1.0%inclusion16 decks1.60K decks
Shiko and Narset, Unified
0.2%inclusion16 decks7.94K decks
Kykar, Wind's Fury
0.1%inclusion16 decks13.1K decks
Ral, Monsoon Mage
0.3%inclusion14 decks5.37K decks
Krark, the Thumbless // Sakashima of a Thousand Faces
0.2%inclusion13 decks5.55K decks
Codie, Vociferous Codex
0.2%inclusion12 decks7.70K decks
New Cards
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40%inclusion2 decks5 decks
Resonating Lute
21%inclusion22 decks107 decks
Turbulent Fen
20%inclusion1 decks5 decks
Decorum Dissertation
11%inclusion2 decks19 decks
Turbulent Springs
10%inclusion11 decks110 decks
High Synergy Cards
Reverberate
71%inclusion742 decks1.04K decks
Narset's Reversal
63%inclusion654 decks1.04K decks
Twincast
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Storm-Kiln Artist
62%inclusion651 decks1.04K decks
Archmage Emeritus
59%inclusion610 decks1.04K decks
Increasing Vengeance
48%inclusion505 decks1.04K decks
Reiterate
40%inclusion420 decks1.04K decks
Twinning Staff
39%inclusion411 decks1.04K decks
Wilderness Reclamation
41%inclusion141 decks343 decks
Manamorphose
40%inclusion137 decks343 decks
Top Cards
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Growth Spiral
57%inclusion194 decks343 decks
Frantic Search
47%inclusion492 decks1.04K decks
Brainstorm
46%inclusion482 decks1.04K decks
Harrow
44%inclusion152 decks343 decks
Swords to Plowshares
42%inclusion37 decks88 decks
Beast Within
41%inclusion139 decks343 decks
Dualcaster Mage
40%inclusion421 decks1.04K decks
Deflecting Swat
40%inclusion415 decks1.04K decks
Counterspell
39%inclusion407 decks1.04K decks
Game Changers
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Jeska's Will
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Mystical Tutor
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Cyclonic Rift
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Underworld Breach
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Creatures
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Veyran, Voice of Duality
31%inclusion324 decks1.04K decks
Goblin Electromancer
29%inclusion302 decks1.04K decks
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Bloom Tender
22%inclusion77 decks343 decks
Nightscape Familiar
21%inclusion41 decks197 decks
Birgi, God of Storytelling
19%inclusion203 decks1.04K decks
Stormcatch Mentor
19%inclusion193 decks1K decks
Esper Sentinel
18%inclusion16 decks88 decks
Rashmi, Eternities Crafter
18%inclusion62 decks343 decks
Seedborn Muse
17%inclusion59 decks343 decks
Sedgemoor Witch
17%inclusion33 decks197 decks
Vivi Ornitier
16%inclusion111 decks681 decks
Talrand, Sky Summoner
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Harmonic Prodigy
16%inclusion166 decks1.04K decks
Monastery Mentor
16%inclusion14 decks88 decks
Orcish Bowmasters
15%inclusion30 decks197 decks
Young Pyromancer
15%inclusion155 decks1.04K decks
Niv-Mizzet, Parun
14%inclusion148 decks1.04K decks
Snapcaster Mage
14%inclusion146 decks1.04K decks
Baral, Chief of Compliance
14%inclusion141 decks1.04K decks
Ashling, Flame Dancer
13%inclusion137 decks1.02K decks
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13%inclusion4 decks31 decks
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13%inclusion4 decks31 decks
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Hexing Squelcher
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Pinnacle Monk
12%inclusion122 decks1.02K decks
Electro, Assaulting Battery
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Kess, Dissident Mage
12%inclusion23 decks197 decks
Delighted Halfling
11%inclusion39 decks343 decks
Thunderclap Drake
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Archmage of Runes
11%inclusion100 decks893 decks
Ozai, the Phoenix King
10%inclusion12 decks121 decks
Wandering Archaic
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Wavebreak Hippocamp
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10%inclusion96 decks1K decks
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8.2%inclusion85 decks1.04K decks
Cormela, Glamour Thief
8.1%inclusion16 decks197 decks
Ragavan, Nimble Pilferer
8.0%inclusion83 decks1.04K decks
Elsha of the Infinite
8.0%inclusion7 decks88 decks
Narset, Enlightened Exile
8.0%inclusion7 decks88 decks
Kykar, Wind's Fury
8.0%inclusion7 decks88 decks
Elvish Mystic
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Planar Genesis
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Swan Song
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Mana Drain
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Vampiric Tutor
26%inclusion51 decks197 decks
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25%inclusion260 decks1.04K decks
Nature's Claim
24%inclusion83 decks343 decks
Noxious Revival
23%inclusion79 decks343 decks
Entish Restoration
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Pongify
23%inclusion236 decks1.04K decks
Assassin's Trophy
23%inclusion7 decks31 decks
An Offer You Can't Refuse
22%inclusion228 decks1.04K decks
Veil of Summer
22%inclusion75 decks343 decks
Unexpected Windfall
21%inclusion221 decks1.04K decks
Deadly Rollick
21%inclusion41 decks197 decks
Flusterstorm
21%inclusion214 decks1.04K decks
Thrill of Possibility
21%inclusion214 decks1.04K decks
Sink into Stupor
20%inclusion210 decks1.02K decks
Fury Storm
20%inclusion205 decks1.04K decks
Consider
19%inclusion202 decks1.04K decks
Arcane Denial
19%inclusion200 decks1.04K decks
Pyretic Ritual
19%inclusion199 decks1.04K decks
Dig Through Time
19%inclusion195 decks1.04K decks
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18%inclusion36 decks195 decks
Auroral Procession
18%inclusion44 decks243 decks
Force of Negation
17%inclusion182 decks1.04K decks
Electrodominance
17%inclusion178 decks1.04K decks
Rapid Hybridization
17%inclusion177 decks1.04K decks
Negate
17%inclusion177 decks1.04K decks
Return of the Wildspeaker
17%inclusion57 decks343 decks
Desperate Ritual
17%inclusion172 decks1.04K decks
Prismari Command
16%inclusion167 decks1.04K decks
Comet Storm
16%inclusion166 decks1.04K decks
Brain Freeze
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Force of Vigor
15%inclusion52 decks343 decks
Teferi's Protection
15%inclusion13 decks88 decks
Rakdos Charm
15%inclusion29 decks197 decks
Terminate
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Display of Power
14%inclusion151 decks1.04K decks
Twinferno
14%inclusion150 decks1.04K decks
Enlightened Tutor
14%inclusion12 decks88 decks
Sorceries
Nature's Lore
39%inclusion133 decks343 decks
Farseek
35%inclusion120 decks343 decks
Three Visits
34%inclusion117 decks343 decks
Ponder
30%inclusion316 decks1.04K decks
Mana Geyser
28%inclusion289 decks1.04K decks
Blasphemous Act
26%inclusion276 decks1.04K decks
Preordain
26%inclusion270 decks1.04K decks
Cultivate
24%inclusion82 decks343 decks
Windfall
21%inclusion222 decks1.04K decks
Faithless Looting
21%inclusion222 decks1.04K decks
Mizzix's Mastery
21%inclusion221 decks1.04K decks
Gitaxian Probe
20%inclusion211 decks1.04K decks
Bonus Round
20%inclusion207 decks1.04K decks
Rampant Growth
20%inclusion68 decks343 decks
Expressive Iteration
19%inclusion202 decks1.04K decks
Sevinne's Reclamation
19%inclusion17 decks88 decks
Solve the Equation
19%inclusion195 decks1.04K decks
Kodama's Reach
17%inclusion58 decks343 decks
Gamble
17%inclusion175 decks1.04K decks
Grapeshot
17%inclusion172 decks1.04K decks
Chandra's Ignition
16%inclusion170 decks1.04K decks
Wheel of Fortune
16%inclusion165 decks1.04K decks
Vandalblast
14%inclusion149 decks1.04K decks
Exsanguinate
13%inclusion26 decks197 decks
Villainous Wealth
13%inclusion4 decks31 decks
Past in Flames
13%inclusion134 decks1.04K decks
Toxic Deluge
13%inclusion25 decks197 decks
Crackle with Power
12%inclusion128 decks1.04K decks
Merchant Scroll
12%inclusion127 decks1.04K decks
Sea Gate Restoration
12%inclusion126 decks1.04K decks
Torment of Hailfire
12%inclusion23 decks197 decks
Farewell
11%inclusion10 decks88 decks
Serum Visions
11%inclusion115 decks1.04K decks
Treasure Cruise
11%inclusion111 decks1.04K decks
Twinflame
10%inclusion109 decks1.04K decks
Rite of Flame
10%inclusion107 decks1.04K decks
Feed the Swarm
10%inclusion20 decks197 decks
Reanimate
10%inclusion20 decks197 decks
Emergent Ultimatum
10%inclusion3 decks31 decks
Tendrils of Agony
9.1%inclusion18 decks197 decks
Restoration Seminar
9.1%inclusion1 decks11 decks
Pursue the Past
9.1%inclusion1 decks11 decks
Supreme Verdict
9.1%inclusion8 decks88 decks
Rite of Replication
9.0%inclusion94 decks1.04K decks
Bala Ged Recovery
8.2%inclusion28 decks343 decks
Imperial Seal
8.1%inclusion16 decks197 decks
Time Warp
8.1%inclusion84 decks1.04K decks
Vanquish the Horde
8.0%inclusion7 decks88 decks
Mythos of Illuna
7.6%inclusion26 decks343 decks
Skyshroud Claim
7.3%inclusion25 decks343 decks
Utility Artifacts
Isochron Scepter
23%inclusion241 decks1.04K decks
Primal Amulet
22%inclusion226 decks1.04K decks
Lightning Greaves
18%inclusion186 decks1.04K decks
Swiftfoot Boots
17%inclusion175 decks1.04K decks
The One Ring
11%inclusion114 decks1.04K decks
Ruby Medallion
8.2%inclusion85 decks1.04K decks
Wishclaw Talisman
8.1%inclusion16 decks197 decks
Aetherflux Reservoir
7.4%inclusion77 decks1.04K decks
Sensei's Divining Top
7.0%inclusion73 decks1.04K decks
Sapphire Medallion
6.7%inclusion70 decks1.04K decks
Lithoform Engine
5.5%inclusion57 decks1.04K decks
Wayfarer's Bauble
5.3%inclusion55 decks1.04K decks
Enchantments
Thousand-Year Storm
34%inclusion353 decks1.04K decks
Mystic Remora
29%inclusion307 decks1.04K decks
Whirlwind of Thought
28%inclusion25 decks88 decks
Smothering Tithe
26%inclusion23 decks88 decks
Aligned Heart
18%inclusion13 decks74 decks
Double Vision
17%inclusion172 decks1.04K decks
Ghostly Prison
16%inclusion14 decks88 decks
Sylvan Library
15%inclusion51 decks343 decks
Swarm Intelligence
11%inclusion116 decks1.04K decks
Jeskai Ascendancy
10%inclusion9 decks88 decks
Mirari's Wake
10%inclusion3 decks30 decks
Arcane Bombardment
10%inclusion100 decks1.04K decks
Leyline of Anticipation
8.1%inclusion84 decks1.04K decks
Carpet of Flowers
7.9%inclusion27 decks343 decks
Cryptolith Rite
7.9%inclusion27 decks343 decks
Wild Growth
7.9%inclusion27 decks343 decks
Curiosity
6.9%inclusion72 decks1.04K decks
Tempest Technique
6.8%inclusion5 decks74 decks
Propaganda
6.5%inclusion68 decks1.04K decks
Fiery Inscription
6.2%inclusion65 decks1.04K decks
Utopia Sprawl
6.1%inclusion21 decks343 decks
Dual Casting
5.9%inclusion61 decks1.04K decks
Darksteel Mutation
5.7%inclusion5 decks88 decks
Shark Typhoon
5.1%inclusion53 decks1.04K decks
Planeswalkers
Ral, Storm Conduit
38%inclusion395 decks1.04K decks
Professor Onyx
22%inclusion43 decks197 decks
Ral, Crackling Wit
10%inclusion96 decks1.01K decks
Teferi, Time Raveler
6.8%inclusion6 decks88 decks
Chandra, Hope's Beacon
6.5%inclusion68 decks1.04K decks
Utility Lands
Reliquary Tower
39%inclusion406 decks1.04K decks
Boseiju, Who Endures
29%inclusion99 decks343 decks
Mystic Sanctuary
26%inclusion273 decks1.04K decks
Otawara, Soaring City
25%inclusion263 decks1.04K decks
Kessig Wolf Run
24%inclusion82 decks343 decks
Ancient Tomb
19%inclusion194 decks1.04K decks
Mistrise Village
16%inclusion119 decks741 decks
Bojuka Bog
14%inclusion28 decks197 decks
Rogue's Passage
9.3%inclusion97 decks1.04K decks
Takenuma, Abandoned Mire
8.1%inclusion16 decks197 decks
Urza's Saga
7.9%inclusion82 decks1.04K decks
Alchemist's Refuge
7.6%inclusion26 decks343 decks
Desolate Lighthouse
6.8%inclusion71 decks1.04K decks
Emergence Zone
6.7%inclusion70 decks1.04K decks
Minamo, School at Water's Edge
6.0%inclusion63 decks1.04K decks
Mosswort Bridge
5.8%inclusion20 decks343 decks
Riptide Laboratory
5.6%inclusion58 decks1.04K decks
Lindblum, Industrial Regency
5.4%inclusion36 decks668 decks
Mana Artifacts
Sol Ring
82%inclusion857 decks1.04K decks
Arcane Signet
77%inclusion799 decks1.04K decks
Talisman of Dominance
45%inclusion88 decks197 decks
Talisman of Creativity
44%inclusion455 decks1.04K decks
Izzet Signet
40%inclusion420 decks1.04K decks
Talisman of Indulgence
38%inclusion75 decks197 decks
Dimir Signet
33%inclusion65 decks197 decks
Rakdos Signet
32%inclusion64 decks197 decks
Fellwar Stone
28%inclusion294 decks1.04K decks
Azorius Signet
26%inclusion23 decks88 decks
Talisman of Progress
26%inclusion23 decks88 decks
Thought Vessel
20%inclusion207 decks1.04K decks
Boros Signet
19%inclusion17 decks88 decks
Talisman of Curiosity
19%inclusion66 decks343 decks
Talisman of Conviction
18%inclusion16 decks88 decks
Lotus Petal
17%inclusion181 decks1.04K decks
Springleaf Drum
16%inclusion165 decks1.04K decks
Mana Vault
12%inclusion124 decks1.04K decks
Mind Stone
12%inclusion124 decks1.04K decks
Talisman of Impulse
12%inclusion40 decks343 decks
Mox Diamond
11%inclusion116 decks1.04K decks
Simic Signet
11%inclusion38 decks343 decks
Relic of Legends
11%inclusion115 decks1.04K decks
Pyromancer's Goggles
10%inclusion109 decks1.04K decks
Mox Amber
10%inclusion106 decks1.04K decks
Mox Opal
8.6%inclusion90 decks1.04K decks
Lion's Eye Diamond
8.4%inclusion88 decks1.04K decks
Gruul Signet
7.9%inclusion27 decks343 decks
Chromatic Lantern
7.7%inclusion80 decks1.04K decks
Relic of Sauron
7.6%inclusion15 decks197 decks
Bender's Waterskin
6.6%inclusion37 decks562 decks
Commander's Sphere
6.5%inclusion68 decks1.04K decks
Paradise Mantle
5.2%inclusion54 decks1.04K decks
Lands
Command Tower
89%inclusion926 decks1.04K decks
Steam Vents
76%inclusion791 decks1.04K decks
Breeding Pool
75%inclusion257 decks343 decks
Stomping Ground
74%inclusion253 decks343 decks
Watery Grave
71%inclusion139 decks197 decks
Blood Crypt
70%inclusion137 decks197 decks
Ketria Triome
56%inclusion191 decks343 decks
Scalding Tarn
55%inclusion573 decks1.04K decks
Training Center
55%inclusion572 decks1.04K decks
Hallowed Fountain
53%inclusion47 decks88 decks
Sulfur Falls
50%inclusion524 decks1.04K decks
Sacred Foundry
49%inclusion43 decks88 decks
Rejuvenating Springs
46%inclusion159 decks343 decks
Shivan Reef
46%inclusion483 decks1.04K decks
Morphic Pool
45%inclusion88 decks197 decks
Luxury Suite
44%inclusion87 decks197 decks
Temple Garden
43%inclusion13 decks30 decks
Exotic Orchard
43%inclusion445 decks1.04K decks
Raugrin Triome
42%inclusion37 decks88 decks
Overgrown Tomb
42%inclusion13 decks31 decks
Spire Garden
41%inclusion141 decks343 decks
Xander's Lounge
40%inclusion78 decks197 decks
Hinterland Harbor
35%inclusion120 decks343 decks
Volcanic Island
35%inclusion360 decks1.04K decks
Taiga
34%inclusion118 decks343 decks
Tropical Island
34%inclusion118 decks343 decks
Cascade Bluffs
34%inclusion356 decks1.04K decks
Mystic Monastery
34%inclusion30 decks88 decks
Misty Rainforest
34%inclusion351 decks1.04K decks
Wooded Foothills
33%inclusion346 decks1.04K decks
Badlands
33%inclusion65 decks197 decks
Clifftop Retreat
33%inclusion29 decks88 decks
Yavimaya Coast
33%inclusion112 decks343 decks
Stormcarved Coast
32%inclusion338 decks1.04K decks
Zagoth Triome
32%inclusion10 decks31 decks
Godless Shrine
32%inclusion9 decks28 decks
The World Tree
32%inclusion8 decks25 decks
Indatha Triome
32%inclusion8 decks25 decks
Underground Sea
31%inclusion62 decks197 decks
Frontier Bivouac
30%inclusion103 decks343 decks
Polluted Delta
30%inclusion308 decks1.04K decks
Prairie Stream
30%inclusion26 decks88 decks
Glacial Fortress
30%inclusion26 decks88 decks
Savai Triome
29%inclusion8 decks28 decks
Drowned Catacomb
28%inclusion56 decks197 decks
Dragonskull Summit
28%inclusion56 decks197 decks
Plateau
28%inclusion25 decks88 decks
Tundra
28%inclusion25 decks88 decks
Bloodstained Mire
28%inclusion289 decks1.04K decks
Flooded Strand
28%inclusion287 decks1.04K decks