Devastating Onslaught
Mana Geyser
Eternal Witness

   Prerequisites

What do I need to start this combo?
Eternal 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 Eternal Witness with haste.
3
When the Eternal 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
Iroh, Grand Lotus
0.0%inclusion2 decks4.87K decks
Top Commanders
Etali, Primal Conqueror
3.6%inclusion194 decks5.35K decks
Roxanne, Starfall Savant
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0.3%inclusion3 decks1.13K decks
Xira Arien
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0.1%inclusion1 decks1.47K decks
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0.3%inclusion1 decks367 decks
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0.1%inclusion1 decks766 decks
Erinis, Gloom Stalker // Street Urchin
0.2%inclusion1 decks492 decks
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0.0%inclusion1 decks2.32K decks
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0.0%inclusion1 decks3.14K decks
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4.3%inclusion1 decks23 decks
Karlach, Fury of Avernus // Hardy Outlander
0.3%inclusion1 decks330 decks
Rocco, Cabaretti Caterer
0.0%inclusion1 decks2.60K decks
Magus Lucea Kane
0.0%inclusion1 decks3.47K decks
New Cards
Abandon Attachments
25%inclusion1 decks4 decks
23%synergy
Waterbending Lesson
25%inclusion1 decks4 decks
24%synergy
Shared Roots
7.3%inclusion4 decks55 decks
2%synergy
Toph, Hardheaded Teacher
3.9%inclusion2 decks51 decks
-4%synergy
Origin of Metalbending
3.6%inclusion2 decks56 decks
-1%synergy
High Synergy Cards
Electroduplicate
82%inclusion177 decks216 decks
80%synergy
Twinflame
82%inclusion177 decks216 decks
79%synergy
Jaxis, the Troublemaker
78%inclusion169 decks216 decks
76%synergy
Heat Shimmer
75%inclusion161 decks216 decks
73%synergy
Panharmonicon
72%inclusion156 decks216 decks
68%synergy
Rionya, Fire Dancer
68%inclusion146 decks216 decks
67%synergy
Hellkite Courser
64%inclusion139 decks216 decks
63%synergy
Seething Song
68%inclusion146 decks216 decks
61%synergy
Molten Duplication
63%inclusion137 decks216 decks
61%synergy
Goblin Anarchomancer
74%inclusion159 decks216 decks
61%synergy
Top Cards
Birds of Paradise
66%inclusion142 decks216 decks
38%synergy
Llanowar Elves
63%inclusion135 decks216 decks
42%synergy
Orthion, Hero of Lavabrink
58%inclusion125 decks216 decks
56%synergy
Nature's Lore
57%inclusion124 decks216 decks
26%synergy
Rite of Replication
57%inclusion4 decks7 decks
54%synergy
Veyran, Voice of Duality
57%inclusion4 decks7 decks
51%synergy
Goblin Electromancer
57%inclusion4 decks7 decks
48%synergy
Frantic Search
57%inclusion4 decks7 decks
43%synergy
Delighted Halfling
56%inclusion122 decks216 decks
44%synergy
Orcish Lumberjack
56%inclusion120 decks216 decks
53%synergy
Game Changers
Mystical Tutor
57%inclusion4 decks7 decks
45%synergy
Cyclonic Rift
57%inclusion4 decks7 decks
34%synergy
Jeska's Will
55%inclusion119 decks216 decks
39%synergy
Consecrated Sphinx
43%inclusion3 decks7 decks
38%synergy
Rhystic Study
43%inclusion3 decks7 decks
18%synergy
Gamble
26%inclusion57 decks216 decks
17%synergy
Worldly Tutor
26%inclusion56 decks216 decks
14%synergy
Ancient Tomb
25%inclusion53 decks216 decks
15%synergy
Underworld Breach
20%inclusion43 decks216 decks
14%synergy
Mana Vault
16%inclusion35 decks216 decks
10%synergy
Creatures
Disciple of Freyalise
54%inclusion116 decks216 decks
48%synergy
Dualcaster Mage
53%inclusion115 decks216 decks
49%synergy
Tinder Wall
53%inclusion114 decks216 decks
50%synergy
Elvish Mystic
52%inclusion112 decks216 decks
36%synergy
Delina, Wild Mage
47%inclusion101 decks216 decks
45%synergy
Treasonous Ogre
46%inclusion100 decks216 decks
45%synergy
Simian Spirit Guide
45%inclusion98 decks216 decks
40%synergy
Sakura-Tribe Elder
44%inclusion94 decks216 decks
27%synergy
Adrix and Nev, Twincasters
43%inclusion3 decks7 decks
38%synergy
Archmage Emeritus
43%inclusion3 decks7 decks
35%synergy
Roaming Throne
40%inclusion86 decks216 decks
33%synergy
Elvish Spirit Guide
39%inclusion85 decks216 decks
36%synergy
Squee, the Immortal
39%inclusion84 decks216 decks
37%synergy
Somberwald Sage
38%inclusion82 decks216 decks
36%synergy
Etali, Primal Storm
36%inclusion77 decks216 decks
27%synergy
Pinnacle Monk
32%inclusion70 decks216 decks
28%synergy
Fyndhorn Elves
32%inclusion69 decks216 decks
22%synergy
Birgi, God of Storytelling
28%inclusion61 decks216 decks
23%synergy
Mirage Phalanx
28%inclusion60 decks216 decks
27%synergy
Temur Sabertooth
27%inclusion59 decks216 decks
25%synergy
Goreclaw, Terror of Qal Sisma
27%inclusion59 decks216 decks
23%synergy
Hunting Velociraptor
26%inclusion57 decks216 decks
25%synergy
Fanatic of Rhonas
25%inclusion53 decks216 decks
18%synergy
Wandering Archaic
24%inclusion52 decks216 decks
23%synergy
Selvala, Heart of the Wilds
24%inclusion51 decks216 decks
18%synergy
Ragavan, Nimble Pilferer
24%inclusion51 decks216 decks
16%synergy
Herigast, Erupting Nullkite
23%inclusion49 decks216 decks
22%synergy
Destiny Spinner
22%inclusion48 decks216 decks
18%synergy
Nalfeshnee
21%inclusion46 decks216 decks
20%synergy
Reckless Barbarian
21%inclusion45 decks216 decks
20%synergy
Springheart Nantuko
21%inclusion45 decks216 decks
16%synergy
Apex Devastator
19%inclusion42 decks216 decks
16%synergy
Frenzied Baloth
18%inclusion38 decks216 decks
15%synergy
Topiary Stomper
18%inclusion38 decks216 decks
14%synergy
Imperial Recruiter
16%inclusion34 decks216 decks
11%synergy
Arbor Elf
16%inclusion34 decks216 decks
11%synergy
Wood Elves
15%inclusion33 decks216 decks
10%synergy
_____ Goblin
15%inclusion32 decks216 decks
14%synergy
Flamerush Rider
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14%synergy
Vexing Shusher
15%inclusion32 decks216 decks
13%synergy
Reclamation Sage
14%inclusion31 decks216 decks
6%synergy
Gwenna, Eyes of Gaea
13%inclusion29 decks216 decks
11%synergy
Professional Face-Breaker
13%inclusion28 decks216 decks
4%synergy
Hulking Raptor
13%inclusion27 decks216 decks
11%synergy
Bramble Sovereign
11%inclusion24 decks216 decks
10%synergy
Terror of the Peaks
11%inclusion24 decks216 decks
6%synergy
Wild-Magic Sorcerer
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9%synergy
Kogla and Yidaro
11%inclusion23 decks216 decks
7%synergy
Flaming Tyrannosaurus
10%inclusion21 decks216 decks
9%synergy
Eternal Scourge
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9%synergy
Instants
Beast Within
53%inclusion114 decks216 decks
18%synergy
Chaos Warp
44%inclusion96 decks216 decks
14%synergy
Mana Drain
43%inclusion3 decks7 decks
28%synergy
Growth Spiral
43%inclusion3 decks7 decks
22%synergy
Pyretic Ritual
38%inclusion83 decks216 decks
36%synergy
Desperate Ritual
38%inclusion81 decks216 decks
35%synergy
Flare of Duplication
37%inclusion79 decks216 decks
34%synergy
Noxious Revival
37%inclusion79 decks216 decks
32%synergy
Heroic Intervention
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4%synergy
Veil of Summer
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25%synergy
Red Elemental Blast
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23%synergy
Return of the Wildspeaker
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16%synergy
Deflecting Swat
26%inclusion57 decks216 decks
10%synergy
Pyroblast
25%inclusion55 decks216 decks
20%synergy
Nature's Claim
25%inclusion55 decks216 decks
18%synergy
Lightning Bolt
24%inclusion52 decks216 decks
13%synergy
Force of Vigor
21%inclusion46 decks216 decks
18%synergy
Tibalt's Trickery
18%inclusion38 decks216 decks
13%synergy
Abrade
17%inclusion36 decks216 decks
5%synergy
Bolt Bend
16%inclusion34 decks216 decks
12%synergy
Untimely Malfunction
14%inclusion31 decks216 decks
7%synergy
Crop Rotation
14%inclusion31 decks216 decks
5%synergy
Big Score
14%inclusion31 decks216 decks
4%synergy
Return the Favor
13%inclusion29 decks216 decks
10%synergy
Unexpected Windfall
13%inclusion29 decks216 decks
6%synergy
Harrow
13%inclusion29 decks216 decks
4%synergy
Delayed Blast Fireball
13%inclusion27 decks216 decks
10%synergy
Eldrazi Confluence
12%inclusion25 decks216 decks
11%synergy
Autumn's Veil
11%inclusion23 decks216 decks
9%synergy
Tamiyo's Safekeeping
11%inclusion23 decks216 decks
5%synergy
Entish Restoration
11%inclusion23 decks216 decks
4%synergy
Archdruid's Charm
10%inclusion21 decks216 decks
5%synergy
Manamorphose
8.8%inclusion19 decks216 decks
6%synergy
Valakut Awakening
8.3%inclusion18 decks216 decks
3%synergy
Lifestream's Blessing
7.4%inclusion16 decks216 decks
6%synergy
Open the Omenpaths
6.9%inclusion15 decks216 decks
7%synergy
Reiterate
6.9%inclusion15 decks216 decks
6%synergy
Chord of Calling
6.9%inclusion15 decks216 decks
2%synergy
Tyvar's Stand
6.5%inclusion14 decks216 decks
2%synergy
Krosan Grip
6.0%inclusion13 decks216 decks
0%synergy
Thrill of Possibility
6.0%inclusion13 decks216 decks
-3%synergy
Guttural Response
5.6%inclusion12 decks216 decks
5%synergy
Reverberate
5.6%inclusion12 decks216 decks
3%synergy
Sorceries
Cultivate
56%inclusion120 decks216 decks
12%synergy
Farseek
51%inclusion110 decks216 decks
15%synergy
Blasphemous Act
44%inclusion96 decks216 decks
11%synergy
Rampant Growth
44%inclusion95 decks216 decks
10%synergy
Kodama's Reach
43%inclusion93 decks216 decks
15%synergy
Doppelgang
43%inclusion3 decks7 decks
40%synergy
Three Visits
42%inclusion90 decks216 decks
17%synergy
Geosurge
37%inclusion80 decks216 decks
37%synergy
Rishkar's Expertise
37%inclusion79 decks216 decks
27%synergy
Metamorphosis
32%inclusion70 decks216 decks
32%synergy
Rite of Flame
31%inclusion67 decks216 decks
27%synergy
Skyshroud Claim
31%inclusion66 decks216 decks
22%synergy
Eldritch Evolution
29%inclusion62 decks216 decks
24%synergy
Bala Ged Recovery
17%inclusion36 decks216 decks
9%synergy
Vandalblast
17%inclusion36 decks216 decks
1%synergy
Call Forth the Tempest
16%inclusion35 decks216 decks
15%synergy
Explore
16%inclusion35 decks216 decks
7%synergy
Glimpse the Impossible
16%inclusion34 decks216 decks
14%synergy
Stump Stomp
15%inclusion33 decks216 decks
9%synergy
Infernal Plunge
15%inclusion32 decks216 decks
14%synergy
Bridgeworks Battle
12%inclusion26 decks216 decks
8%synergy
Decimate
11%inclusion24 decks216 decks
3%synergy
Migration Path
11%inclusion23 decks216 decks
8%synergy
Nature's Rhythm
11%inclusion23 decks216 decks
7%synergy
Wheel of Fortune
11%inclusion23 decks216 decks
6%synergy
Faithless Looting
10%inclusion22 decks216 decks
-6%synergy
Escape to the Wilds
10%inclusion21 decks216 decks
6%synergy
Harmonize
10%inclusion21 decks216 decks
2%synergy
Strike It Rich
9.3%inclusion20 decks216 decks
7%synergy
Last March of the Ents
9.3%inclusion20 decks216 decks
6%synergy
Hull Breach
8.3%inclusion18 decks216 decks
5%synergy
Turntimber Symbiosis
7.9%inclusion17 decks216 decks
6%synergy
Green Sun's Zenith
7.4%inclusion16 decks216 decks
2%synergy
Wheel of Misfortune
6.5%inclusion14 decks216 decks
4%synergy
Finale of Devastation
6.0%inclusion13 decks216 decks
-2%synergy
Shatterskull Smashing
5.1%inclusion11 decks216 decks
3%synergy
Utility Artifacts
Conjurer's Closet
51%inclusion110 decks216 decks
48%synergy
Blade of Selves
41%inclusion89 decks216 decks
40%synergy
Helm of the Host
33%inclusion71 decks216 decks
30%synergy
The Fire Crystal
32%inclusion70 decks216 decks
28%synergy
Ruby Medallion
19%inclusion42 decks216 decks
16%synergy
The One Ring
19%inclusion40 decks216 decks
10%synergy
Swiftfoot Boots
17%inclusion36 decks216 decks
-11%synergy
Mirror Box
16%inclusion35 decks216 decks
15%synergy
Lightning Greaves
15%inclusion32 decks216 decks
-10%synergy
Cloudstone Curio
14%inclusion31 decks216 decks
14%synergy
Voyager Staff
13%inclusion29 decks216 decks
13%synergy
Strionic Resonator
13%inclusion28 decks216 decks
10%synergy
Sword of Hearth and Home
13%inclusion27 decks216 decks
11%synergy
The Great Henge
10%inclusion22 decks216 decks
1%synergy
Defense Grid
6.9%inclusion15 decks216 decks
6%synergy
Enchantments
Wild Growth
56%inclusion120 decks216 decks
45%synergy
Food Chain
44%inclusion96 decks216 decks
43%synergy
Utopia Sprawl
43%inclusion93 decks216 decks
35%synergy
Rhythm of the Wild
40%inclusion86 decks216 decks
17%synergy
Flameshadow Conjuring
29%inclusion63 decks216 decks
28%synergy
Sylvan Library
29%inclusion62 decks216 decks
19%synergy
Carpet of Flowers
27%inclusion59 decks216 decks
24%synergy
Garruk's Uprising
22%inclusion48 decks216 decks
5%synergy
Passionate Archaeologist
18%inclusion39 decks216 decks
16%synergy
Mirror March
15%inclusion33 decks216 decks
14%synergy
Splinter Twin
12%inclusion25 decks216 decks
11%synergy
Molten Echoes
11%inclusion24 decks216 decks
10%synergy
Warstorm Surge
10%inclusion22 decks216 decks
6%synergy
Guardian Project
10%inclusion22 decks216 decks
2%synergy
Up the Beanstalk
9.3%inclusion20 decks216 decks
6%synergy
Greater Good
8.8%inclusion19 decks216 decks
4%synergy
Blood Moon
8.3%inclusion18 decks216 decks
6%synergy
Elemental Bond
5.6%inclusion12 decks216 decks
1%synergy
Kenrith's Transformation
5.6%inclusion12 decks216 decks
1%synergy
Growing Rites of Itlimoc
5.6%inclusion12 decks216 decks
0%synergy
Battles
Invasion of Zendikar
5.6%inclusion12 decks216 decks
4%synergy
Invasion of Ikoria
5.1%inclusion11 decks216 decks
2%synergy
Planeswalkers
Chandra, Flameshaper
40%inclusion87 decks216 decks
40%synergy
Domri, Anarch of Bolas
10%inclusion22 decks216 decks
7%synergy
Minsc & Boo, Timeless Heroes
5.6%inclusion12 decks216 decks
4%synergy
Utility Lands
Otawara, Soaring City
43%inclusion3 decks7 decks
26%synergy
Boseiju, Who Endures
38%inclusion83 decks216 decks
20%synergy
Yavimaya, Cradle of Growth
37%inclusion79 decks216 decks
28%synergy
Command Beacon
36%inclusion78 decks216 decks
31%synergy
Rogue's Passage
25%inclusion54 decks216 decks
5%synergy
Castle Garenbrig
22%inclusion47 decks216 decks
17%synergy
Shifting Woodland
21%inclusion46 decks216 decks
14%synergy
Kessig Wolf Run
21%inclusion46 decks216 decks
6%synergy
Temple of the False God
17%inclusion36 decks216 decks
7%synergy
Reliquary Tower
17%inclusion36 decks216 decks
-13%synergy
Crystal Vein
14%inclusion31 decks216 decks
13%synergy
Mosswort Bridge
14%inclusion31 decks216 decks
4%synergy
Arena of Glory
14%inclusion30 decks216 decks
8%synergy
Urza's Saga
11%inclusion24 decks216 decks
4%synergy
Emergence Zone
11%inclusion23 decks216 decks
8%synergy
Sanctum of Eternity
10%inclusion22 decks216 decks
10%synergy
Mirrorpool
8.8%inclusion19 decks216 decks
8%synergy
Evendo, Waking Haven
6.9%inclusion15 decks216 decks
2%synergy
Gaea's Cradle
6.9%inclusion15 decks216 decks
1%synergy
Nykthos, Shrine to Nyx
5.1%inclusion11 decks216 decks
0%synergy
Mana Artifacts
Sol Ring
94%inclusion203 decks216 decks
10%synergy
Arcane Signet
73%inclusion157 decks216 decks
0%synergy
Cursed Mirror
72%inclusion155 decks216 decks
66%synergy
Talisman of Impulse
52%inclusion112 decks216 decks
41%synergy
Fellwar Stone
37%inclusion80 decks216 decks
16%synergy
Lotus Petal
27%inclusion59 decks216 decks
20%synergy
Gruul Signet
24%inclusion51 decks216 decks
14%synergy
Thran Dynamo
11%inclusion24 decks216 decks
6%synergy
Chrome Mox
11%inclusion23 decks216 decks
5%synergy
Grim Monolith
6.9%inclusion15 decks216 decks
5%synergy
Mind Stone
6.0%inclusion13 decks216 decks
-9%synergy
Lion's Eye Diamond
5.6%inclusion12 decks216 decks
4%synergy
Mox Diamond
5.6%inclusion12 decks216 decks
1%synergy
Mox Opal
5.6%inclusion12 decks216 decks
1%synergy
Commander's Sphere
5.1%inclusion11 decks216 decks
-8%synergy
Lands
Ketria Triome
100%inclusion7 decks7 decks
69%synergy
Command Tower
90%inclusion195 decks216 decks
16%synergy
Rejuvenating Springs
71%inclusion5 decks7 decks
44%synergy
Steam Vents
71%inclusion5 decks7 decks
34%synergy
Breeding Pool
71%inclusion5 decks7 decks
30%synergy
Stomping Ground
71%inclusion153 decks216 decks
30%synergy
Rootbound Crag
61%inclusion131 decks216 decks
33%synergy
Karplusan Forest
59%inclusion127 decks216 decks
39%synergy
Cinder Glade
59%inclusion127 decks216 decks
21%synergy
Izzet Boilerworks
57%inclusion4 decks7 decks
43%synergy
Simic Growth Chamber
57%inclusion4 decks7 decks
39%synergy
Training Center
57%inclusion4 decks7 decks
32%synergy
Sulfur Falls
57%inclusion4 decks7 decks
22%synergy
Wooded Foothills
50%inclusion109 decks216 decks
40%synergy
Spire Garden
49%inclusion106 decks216 decks
27%synergy
Rockfall Vale
44%inclusion95 decks216 decks
22%synergy
Thundering Falls
43%inclusion3 decks7 decks
34%synergy
Frontier Bivouac
43%inclusion3 decks7 decks
14%synergy
Hinterland Harbor
43%inclusion3 decks7 decks
10%synergy
Commercial District
41%inclusion88 decks216 decks
31%synergy
Exotic Orchard
39%inclusion85 decks216 decks
3%synergy
Game Trail
33%inclusion72 decks216 decks
18%synergy
Thornspire Verge
31%inclusion68 decks216 decks
23%synergy
Cavern of Souls
31%inclusion66 decks216 decks
23%synergy
Gruul Turf
25%inclusion53 decks216 decks
10%synergy
Mossfire Valley
22%inclusion48 decks216 decks
10%synergy
Taiga
22%inclusion48 decks216 decks
9%synergy
Cragcrown Pathway
21%inclusion45 decks216 decks
13%synergy
Grove of the Burnwillows
19%inclusion42 decks216 decks
17%synergy
Windswept Heath
19%inclusion41 decks216 decks
8%synergy
Bloodstained Mire
18%inclusion39 decks216 decks
7%synergy
Misty Rainforest
18%inclusion39 decks216 decks
7%synergy
Fire-Lit Thicket
18%inclusion38 decks216 decks
12%synergy
Verdant Catacombs
17%inclusion36 decks216 decks
6%synergy
Sheltered Thicket
16%inclusion35 decks216 decks
7%synergy
Temple of Abandon
16%inclusion35 decks216 decks
3%synergy
Copperline Gorge
16%inclusion34 decks216 decks
11%synergy
Gemstone Caverns
16%inclusion34 decks216 decks
11%synergy
Arid Mesa
16%inclusion34 decks216 decks
5%synergy
City of Brass
14%inclusion30 decks216 decks
6%synergy
Mana Confluence
13%inclusion28 decks216 decks
6%synergy
Myriad Landscape
13%inclusion28 decks216 decks
-4%synergy
Scalding Tarn
13%inclusion27 decks216 decks
2%synergy
Prismatic Vista
9.3%inclusion20 decks216 decks
4%synergy
Starting Town
8.8%inclusion19 decks216 decks
6%synergy
Talon Gates of Madara
8.3%inclusion18 decks216 decks
6%synergy
Fabled Passage
8.3%inclusion18 decks216 decks
-1%synergy
Path of Ancestry
8.3%inclusion18 decks216 decks
-14%synergy
Wooded Ridgeline
5.6%inclusion12 decks216 decks
1%synergy
Highland Forest
5.1%inclusion11 decks216 decks
2%synergy