Devastating Onslaught
Mana Geyser
Timeless Witness

   Prerequisites

What do I need to start this combo?
Timeless Witness on the battlefield.
Devastating Onslaught and Mana Geyser in hand.
Opponents control at least ten tapped lands.
3 available

   Steps

How does this combo work?
1
Cast Mana Geyser by paying 3, adding for each tapped land your opponents control.
2
Cast Devastating Onslaught by paying 4, creating two token copies of Timeless Witness with haste.
3
When the Timeless Witness tokens enter, they trigger, returning Mana Geyser and Devastating Onslaught from your graveyard to your hand.
4
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite storm count
Infinite red mana
Infinite creature tokens with haste
Infinite magecraft triggers
Etali, Primal Conqueror
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Wort, the Raidmother
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Gladiolus Amicitia
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Riku of Two Reflections
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Faldorn, Dread Wolf Herald
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Karlach, Fury of Avernus // Hardy Outlander
0.3%inclusion1 decks372 decks
New Cards
Ba Sing Se
29%inclusion2 decks7 decks
23%synergy
Toph, Hardheaded Teacher
14%inclusion1 decks7 decks
7%synergy
Elemental Teachings
13%inclusion1 decks8 decks
11%synergy
Badgermole Cub
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The Legend of Roku
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10%synergy
High Synergy Cards
Electroduplicate
76%inclusion13 decks17 decks
75%synergy
Twinflame
71%inclusion12 decks17 decks
68%synergy
Jaxis, the Troublemaker
65%inclusion11 decks17 decks
63%synergy
The Fire Crystal
65%inclusion11 decks17 decks
60%synergy
Eternal Witness
76%inclusion13 decks17 decks
59%synergy
Goblin Anarchomancer
71%inclusion12 decks17 decks
58%synergy
Orthion, Hero of Lavabrink
59%inclusion10 decks17 decks
57%synergy
Heat Shimmer
47%inclusion8 decks17 decks
46%synergy
Utopia Sprawl
53%inclusion9 decks17 decks
45%synergy
Wild Growth
53%inclusion9 decks17 decks
43%synergy
Top Cards
Nature's Lore
71%inclusion12 decks17 decks
39%synergy
Beast Within
65%inclusion11 decks17 decks
30%synergy
Blasphemous Act
59%inclusion10 decks17 decks
26%synergy
Farseek
59%inclusion10 decks17 decks
23%synergy
Cultivate
59%inclusion10 decks17 decks
16%synergy
Skyshroud Claim
47%inclusion8 decks17 decks
39%synergy
Rishkar's Expertise
47%inclusion8 decks17 decks
38%synergy
Kodama's Reach
47%inclusion8 decks17 decks
19%synergy
Delina, Wild Mage
41%inclusion7 decks17 decks
39%synergy
Helm of the Host
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38%synergy
Game Changers
Jeska's Will
65%inclusion11 decks17 decks
49%synergy
Crop Rotation
29%inclusion5 decks17 decks
20%synergy
Creatures
Dualcaster Mage
41%inclusion7 decks17 decks
37%synergy
Disciple of Freyalise
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36%synergy
Sakura-Tribe Elder
41%inclusion7 decks17 decks
24%synergy
Llanowar Elves
41%inclusion7 decks17 decks
21%synergy
Mirage Phalanx
35%inclusion6 decks17 decks
35%synergy
Rionya, Fire Dancer
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34%synergy
Treasonous Ogre
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Hellkite Courser
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Birds of Paradise
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Flamerush Rider
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Somberwald Sage
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22%synergy
Squee, the Immortal
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22%synergy
Temur Sabertooth
24%inclusion4 decks17 decks
21%synergy
Orcish Lumberjack
24%inclusion4 decks17 decks
21%synergy
Terror of the Peaks
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18%synergy
Fanatic of Rhonas
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17%synergy
Delighted Halfling
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11%synergy
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17%synergy
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17%synergy
Overlord of the Hauntwoods
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16%synergy
Kiki-Jiki, Mirror Breaker
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15%synergy
Nyxbloom Ancient
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14%synergy
Elvish Spirit Guide
18%inclusion3 decks17 decks
14%synergy
Goreclaw, Terror of Qal Sisma
18%inclusion3 decks17 decks
13%synergy
Springheart Nantuko
18%inclusion3 decks17 decks
13%synergy
Simian Spirit Guide
18%inclusion3 decks17 decks
12%synergy
Roaming Throne
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11%synergy
Raucous Audience
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6%synergy
Instants
Chaos Warp
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Heroic Intervention
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Return of the Wildspeaker
35%inclusion6 decks17 decks
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Delayed Blast Fireball
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21%synergy
Manamorphose
24%inclusion4 decks17 decks
21%synergy
Pyretic Ritual
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21%synergy
Noxious Revival
24%inclusion4 decks17 decks
19%synergy
Red Elemental Blast
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18%synergy
Seething Song
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17%synergy
Unexpected Windfall
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16%synergy
Big Score
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Lifestream's Blessing
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16%synergy
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Tibalt's Trickery
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13%synergy
Archdruid's Charm
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13%synergy
Veil of Summer
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12%synergy
Entish Restoration
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11%synergy
Untimely Malfunction
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Harrow
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Deflecting Swat
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1%synergy
Redirect Lightning
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Sorceries
Molten Duplication
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Three Visits
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Harmonize
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17%synergy
Geosurge
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Imposing Grandeur
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17%synergy
Infernal Plunge
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Glimpse the Impossible
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Chain Reaction
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Decimate
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Utility Artifacts
Panharmonicon
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37%synergy
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34%synergy
Lithoform Engine
24%inclusion4 decks17 decks
22%synergy
Conjurer's Closet
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21%synergy
Lightning Greaves
18%inclusion3 decks17 decks
-7%synergy
Enchantments
Rhythm of the Wild
35%inclusion6 decks17 decks
13%synergy
Mirror March
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29%synergy
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Food Chain
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Garruk's Uprising
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Passionate Archaeologist
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Shadow in the Warp
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Carpet of Flowers
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Warstorm Surge
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13%synergy
Parallel Lives
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11%synergy
Sylvan Library
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8%synergy
Planeswalkers
Chandra, Flameshaper
29%inclusion5 decks17 decks
29%synergy
Utility Lands
Boseiju, Who Endures
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28%synergy
Kessig Wolf Run
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Command Beacon
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30%synergy
Yavimaya, Cradle of Growth
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27%synergy
Temple of the False God
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20%synergy
Shifting Woodland
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17%synergy
Rogue's Passage
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3%synergy
Reliquary Tower
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-6%synergy
Evendo, Waking Haven
18%inclusion3 decks17 decks
13%synergy
Urza's Saga
18%inclusion3 decks17 decks
11%synergy
Mana Artifacts
Sol Ring
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10%synergy
Cursed Mirror
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59%synergy
Arcane Signet
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-13%synergy
Talisman of Impulse
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37%synergy
Gruul Signet
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26%synergy
Fellwar Stone
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9%synergy
Thran Dynamo
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13%synergy
Lotus Petal
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11%synergy
Mind Stone
18%inclusion3 decks17 decks
3%synergy
Lands
Command Tower
100%inclusion17 decks17 decks
26%synergy
Stomping Ground
88%inclusion15 decks17 decks
47%synergy
Cinder Glade
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32%synergy
Wooded Foothills
65%inclusion11 decks17 decks
54%synergy
Rootbound Crag
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37%synergy
Commercial District
53%inclusion9 decks17 decks
43%synergy
Spire Garden
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31%synergy
Gruul Turf
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33%synergy
Karplusan Forest
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21%synergy
Rockfall Vale
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20%synergy
Cragcrown Pathway
35%inclusion6 decks17 decks
28%synergy
Thornspire Verge
35%inclusion6 decks17 decks
27%synergy
Temple of Abandon
35%inclusion6 decks17 decks
22%synergy
Exotic Orchard
35%inclusion6 decks17 decks
-1%synergy
Mossfire Valley
29%inclusion5 decks17 decks
18%synergy
Taiga
29%inclusion5 decks17 decks
17%synergy
Fire-Lit Thicket
24%inclusion4 decks17 decks
18%synergy
Sheltered Thicket
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14%synergy
Game Trail
24%inclusion4 decks17 decks
8%synergy
Grove of the Burnwillows
18%inclusion3 decks17 decks
15%synergy
Talon Gates of Madara
18%inclusion3 decks17 decks
15%synergy