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 decks7.48K decks
Top Commanders
Etali, Primal Conqueror
3.8%inclusion234 decks6.23K decks
Roxanne, Starfall Savant
0.3%inclusion7 decks2.79K decks
Riku of Two Reflections
0.3%inclusion4 decks1.35K decks
Wort, the Raidmother
0.4%inclusion4 decks922 decks
Xira Arien
0.6%inclusion1 decks166 decks
Faldorn, Dread Wolf Herald
0.1%inclusion1 decks1.69K decks
Samut, Vizier of Naktamun
0.2%inclusion1 decks442 decks
Xenagos, God of Revels
0.0%inclusion1 decks2.68K decks
Kynaios and Tiro of Meletis
0.0%inclusion1 decks3.72K decks
Jerrard of the Closed Fist
3.2%inclusion1 decks31 decks
Karlach, Fury of Avernus // Hardy Outlander
0.3%inclusion1 decks370 decks
Rocco, Cabaretti Caterer
0.0%inclusion1 decks3.03K decks
Magus Lucea Kane
0.0%inclusion1 decks4.05K decks
New Cards
Abandon Attachments
20%inclusion1 decks5 decks
17%synergy
Waterbending Lesson
20%inclusion1 decks5 decks
19%synergy
Redirect Lightning
5.9%inclusion14 decks239 decks
0%synergy
Shared Roots
5.3%inclusion6 decks113 decks
0%synergy
Badgermole Cub
4.2%inclusion5 decks118 decks
-1%synergy
High Synergy Cards
Electroduplicate
83%inclusion217 decks260 decks
82%synergy
Twinflame
82%inclusion214 decks260 decks
80%synergy
Jaxis, the Troublemaker
79%inclusion206 decks260 decks
77%synergy
Heat Shimmer
75%inclusion195 decks260 decks
74%synergy
Panharmonicon
71%inclusion184 decks260 decks
67%synergy
Rionya, Fire Dancer
67%inclusion175 decks260 decks
66%synergy
Hellkite Courser
68%inclusion176 decks260 decks
66%synergy
Molten Duplication
67%inclusion174 decks260 decks
65%synergy
Seething Song
71%inclusion184 decks260 decks
65%synergy
Goblin Anarchomancer
75%inclusion196 decks260 decks
63%synergy
Top Cards
Birds of Paradise
67%inclusion175 decks260 decks
40%synergy
Llanowar Elves
64%inclusion167 decks260 decks
44%synergy
Rite of Replication
63%inclusion5 decks8 decks
59%synergy
Delighted Halfling
59%inclusion153 decks260 decks
47%synergy
Orthion, Hero of Lavabrink
58%inclusion152 decks260 decks
57%synergy
Nature's Lore
58%inclusion151 decks260 decks
27%synergy
Orcish Lumberjack
56%inclusion145 decks260 decks
53%synergy
Cultivate
55%inclusion144 decks260 decks
12%synergy
Wild Growth
54%inclusion141 decks260 decks
44%synergy
Tinder Wall
54%inclusion140 decks260 decks
51%synergy
Game Changers
Cyclonic Rift
63%inclusion5 decks8 decks
39%synergy
Jeska's Will
60%inclusion156 decks260 decks
44%synergy
Mystical Tutor
50%inclusion4 decks8 decks
38%synergy
Consecrated Sphinx
38%inclusion3 decks8 decks
33%synergy
Rhystic Study
38%inclusion3 decks8 decks
13%synergy
Worldly Tutor
28%inclusion74 decks260 decks
16%synergy
Ancient Tomb
27%inclusion69 decks260 decks
17%synergy
Gamble
26%inclusion68 decks260 decks
17%synergy
Underworld Breach
20%inclusion52 decks260 decks
14%synergy
Mana Vault
18%inclusion48 decks260 decks
13%synergy
Creatures
Disciple of Freyalise
53%inclusion137 decks260 decks
47%synergy
Dualcaster Mage
52%inclusion136 decks260 decks
48%synergy
Elvish Mystic
52%inclusion136 decks260 decks
36%synergy
Treasonous Ogre
51%inclusion132 decks260 decks
49%synergy
Veyran, Voice of Duality
50%inclusion4 decks8 decks
44%synergy
Goblin Electromancer
50%inclusion4 decks8 decks
41%synergy
Delina, Wild Mage
48%inclusion125 decks260 decks
46%synergy
Simian Spirit Guide
48%inclusion124 decks260 decks
42%synergy
Roaming Throne
43%inclusion112 decks260 decks
36%synergy
Elvish Spirit Guide
43%inclusion111 decks260 decks
39%synergy
Sakura-Tribe Elder
42%inclusion109 decks260 decks
25%synergy
Squee, the Immortal
41%inclusion107 decks260 decks
40%synergy
Biovisionary
38%inclusion3 decks8 decks
37%synergy
Starfield Vocalist
38%inclusion3 decks8 decks
35%synergy
Glasspool Mimic
38%inclusion3 decks8 decks
35%synergy
Adrix and Nev, Twincasters
38%inclusion3 decks8 decks
33%synergy
Archmage Emeritus
38%inclusion3 decks8 decks
30%synergy
Somberwald Sage
37%inclusion95 decks260 decks
35%synergy
Etali, Primal Storm
36%inclusion93 decks260 decks
27%synergy
Pinnacle Monk
33%inclusion85 decks260 decks
28%synergy
Fyndhorn Elves
32%inclusion83 decks260 decks
22%synergy
Hunting Velociraptor
29%inclusion75 decks260 decks
28%synergy
Goreclaw, Terror of Qal Sisma
28%inclusion74 decks260 decks
24%synergy
Birgi, God of Storytelling
28%inclusion74 decks260 decks
23%synergy
Mirage Phalanx
27%inclusion71 decks260 decks
27%synergy
Temur Sabertooth
27%inclusion70 decks260 decks
25%synergy
Fanatic of Rhonas
27%inclusion69 decks260 decks
20%synergy
Ragavan, Nimble Pilferer
26%inclusion67 decks260 decks
18%synergy
Wandering Archaic
25%inclusion66 decks260 decks
24%synergy
Herigast, Erupting Nullkite
24%inclusion62 decks260 decks
23%synergy
Destiny Spinner
23%inclusion61 decks260 decks
20%synergy
Reckless Barbarian
23%inclusion60 decks260 decks
22%synergy
Selvala, Heart of the Wilds
22%inclusion58 decks260 decks
17%synergy
Springheart Nantuko
20%inclusion53 decks260 decks
16%synergy
Nalfeshnee
19%inclusion50 decks260 decks
18%synergy
Imperial Recruiter
18%inclusion48 decks260 decks
14%synergy
Apex Devastator
18%inclusion46 decks260 decks
15%synergy
Frenzied Baloth
17%inclusion44 decks260 decks
15%synergy
Topiary Stomper
16%inclusion42 decks260 decks
13%synergy
_____ Goblin
16%inclusion41 decks260 decks
15%synergy
Vexing Shusher
14%inclusion37 decks260 decks
12%synergy
Arbor Elf
14%inclusion36 decks260 decks
9%synergy
Flamerush Rider
13%inclusion35 decks260 decks
13%synergy
Gwenna, Eyes of Gaea
13%inclusion34 decks260 decks
11%synergy
Reclamation Sage
13%inclusion34 decks260 decks
5%synergy
Hulking Raptor
13%inclusion33 decks260 decks
11%synergy
Wood Elves
12%inclusion32 decks260 decks
7%synergy
Professional Face-Breaker
12%inclusion31 decks260 decks
3%synergy
Terror of the Peaks
12%inclusion30 decks260 decks
6%synergy
Bramble Sovereign
11%inclusion28 decks260 decks
10%synergy
Instants
Beast Within
53%inclusion138 decks260 decks
18%synergy
Frantic Search
50%inclusion4 decks8 decks
36%synergy
Chaos Warp
44%inclusion115 decks260 decks
14%synergy
Pyretic Ritual
41%inclusion106 decks260 decks
38%synergy
Desperate Ritual
39%inclusion102 decks260 decks
37%synergy
Flare of Duplication
38%inclusion100 decks260 decks
36%synergy
Noxious Revival
38%inclusion98 decks260 decks
33%synergy
Narset's Reversal
38%inclusion3 decks8 decks
34%synergy
Mana Drain
38%inclusion3 decks8 decks
23%synergy
Growth Spiral
38%inclusion3 decks8 decks
17%synergy
Heroic Intervention
35%inclusion91 decks260 decks
5%synergy
Veil of Summer
31%inclusion81 decks260 decks
26%synergy
Deflecting Swat
30%inclusion79 decks260 decks
14%synergy
Red Elemental Blast
30%inclusion77 decks260 decks
24%synergy
Pyroblast
28%inclusion74 decks260 decks
23%synergy
Nature's Claim
28%inclusion72 decks260 decks
20%synergy
Return of the Wildspeaker
25%inclusion66 decks260 decks
14%synergy
Lightning Bolt
25%inclusion65 decks260 decks
14%synergy
Force of Vigor
21%inclusion55 decks260 decks
18%synergy
Tibalt's Trickery
17%inclusion44 decks260 decks
12%synergy
Crop Rotation
16%inclusion41 decks260 decks
6%synergy
Untimely Malfunction
15%inclusion40 decks260 decks
8%synergy
Abrade
15%inclusion40 decks260 decks
4%synergy
Big Score
14%inclusion37 decks260 decks
4%synergy
Eldrazi Confluence
13%inclusion35 decks260 decks
13%synergy
Bolt Bend
13%inclusion35 decks260 decks
9%synergy
Delayed Blast Fireball
13%inclusion34 decks260 decks
11%synergy
Return the Favor
13%inclusion34 decks260 decks
9%synergy
Unexpected Windfall
12%inclusion32 decks260 decks
5%synergy
Autumn's Veil
12%inclusion31 decks260 decks
11%synergy
Harrow
12%inclusion31 decks260 decks
2%synergy
Entish Restoration
10%inclusion27 decks260 decks
4%synergy
Tamiyo's Safekeeping
10%inclusion25 decks260 decks
4%synergy
Archdruid's Charm
9.2%inclusion24 decks260 decks
4%synergy
Valakut Awakening
9.2%inclusion24 decks260 decks
4%synergy
Manamorphose
8.8%inclusion23 decks260 decks
6%synergy
Chord of Calling
7.7%inclusion20 decks260 decks
2%synergy
Open the Omenpaths
7.3%inclusion19 decks260 decks
7%synergy
Reiterate
7.3%inclusion19 decks260 decks
6%synergy
Guttural Response
6.5%inclusion17 decks260 decks
6%synergy
Tyvar's Stand
6.5%inclusion17 decks260 decks
3%synergy
Lifestream's Blessing
6.2%inclusion16 decks260 decks
5%synergy
Krosan Grip
5.4%inclusion14 decks260 decks
0%synergy
Thrill of Possibility
5.4%inclusion14 decks260 decks
-4%synergy
Sorceries
Doppelgang
50%inclusion4 decks8 decks
47%synergy
Farseek
49%inclusion128 decks260 decks
14%synergy
Blasphemous Act
44%inclusion114 decks260 decks
11%synergy
Kodama's Reach
42%inclusion110 decks260 decks
15%synergy
Rampant Growth
42%inclusion109 decks260 decks
8%synergy
Geosurge
42%inclusion108 decks260 decks
41%synergy
Three Visits
40%inclusion104 decks260 decks
16%synergy
Metamorphosis
34%inclusion89 decks260 decks
34%synergy
Rishkar's Expertise
34%inclusion88 decks260 decks
24%synergy
Rite of Flame
31%inclusion81 decks260 decks
27%synergy
Eldritch Evolution
30%inclusion78 decks260 decks
26%synergy
Skyshroud Claim
28%inclusion73 decks260 decks
20%synergy
Glimpse the Impossible
17%inclusion45 decks260 decks
16%synergy
Infernal Plunge
17%inclusion43 decks260 decks
16%synergy
Bala Ged Recovery
17%inclusion43 decks260 decks
9%synergy
Vandalblast
17%inclusion43 decks260 decks
1%synergy
Call Forth the Tempest
16%inclusion41 decks260 decks
14%synergy
Stump Stomp
15%inclusion38 decks260 decks
9%synergy
Explore
14%inclusion36 decks260 decks
4%synergy
Bridgeworks Battle
13%inclusion35 decks260 decks
9%synergy
Nature's Rhythm
11%inclusion29 decks260 decks
7%synergy
Wheel of Fortune
11%inclusion28 decks260 decks
6%synergy
Decimate
11%inclusion28 decks260 decks
3%synergy
Migration Path
10%inclusion25 decks260 decks
7%synergy
Harmonize
10%inclusion25 decks260 decks
2%synergy
Faithless Looting
10%inclusion25 decks260 decks
-6%synergy
Strike It Rich
9.2%inclusion24 decks260 decks
7%synergy
Escape to the Wilds
8.5%inclusion22 decks260 decks
5%synergy
Last March of the Ents
8.1%inclusion21 decks260 decks
5%synergy
Hull Breach
7.3%inclusion19 decks260 decks
4%synergy
Turntimber Symbiosis
6.9%inclusion18 decks260 decks
5%synergy
Finale of Devastation
6.9%inclusion18 decks260 decks
-1%synergy
Green Sun's Zenith
6.5%inclusion17 decks260 decks
1%synergy
Wheel of Misfortune
5.4%inclusion14 decks260 decks
3%synergy
Utility Artifacts
Conjurer's Closet
51%inclusion132 decks260 decks
48%synergy
Blade of Selves
41%inclusion106 decks260 decks
39%synergy
Helm of the Host
34%inclusion89 decks260 decks
31%synergy
The Fire Crystal
30%inclusion78 decks260 decks
26%synergy
The One Ring
20%inclusion51 decks260 decks
11%synergy
Ruby Medallion
19%inclusion50 decks260 decks
16%synergy
Cloudstone Curio
17%inclusion44 decks260 decks
16%synergy
Swiftfoot Boots
17%inclusion44 decks260 decks
-10%synergy
Mirror Box
15%inclusion38 decks260 decks
14%synergy
Lightning Greaves
14%inclusion36 decks260 decks
-11%synergy
Voyager Staff
12%inclusion32 decks260 decks
12%synergy
The Great Henge
12%inclusion32 decks260 decks
3%synergy
Sword of Hearth and Home
12%inclusion31 decks260 decks
10%synergy
Strionic Resonator
12%inclusion31 decks260 decks
9%synergy
Defense Grid
5.8%inclusion15 decks260 decks
5%synergy
Enchantments
Food Chain
47%inclusion123 decks260 decks
46%synergy
Utopia Sprawl
42%inclusion108 decks260 decks
34%synergy
Rhythm of the Wild
39%inclusion101 decks260 decks
16%synergy
Flameshadow Conjuring
31%inclusion81 decks260 decks
30%synergy
Carpet of Flowers
29%inclusion76 decks260 decks
26%synergy
Sylvan Library
27%inclusion70 decks260 decks
18%synergy
Garruk's Uprising
23%inclusion61 decks260 decks
7%synergy
Mirror March
17%inclusion43 decks260 decks
16%synergy
Passionate Archaeologist
17%inclusion43 decks260 decks
15%synergy
Splinter Twin
12%inclusion32 decks260 decks
12%synergy
Molten Echoes
12%inclusion31 decks260 decks
10%synergy
Warstorm Surge
10%inclusion26 decks260 decks
6%synergy
Up the Beanstalk
8.8%inclusion23 decks260 decks
6%synergy
Blood Moon
8.5%inclusion22 decks260 decks
6%synergy
Guardian Project
8.5%inclusion22 decks260 decks
0%synergy
Greater Good
7.7%inclusion20 decks260 decks
3%synergy
Battles
Invasion of Ikoria
5.4%inclusion14 decks260 decks
2%synergy
Planeswalkers
Chandra, Flameshaper
42%inclusion108 decks260 decks
41%synergy
Domri, Anarch of Bolas
11%inclusion28 decks260 decks
8%synergy
Minsc & Boo, Timeless Heroes
5.4%inclusion14 decks260 decks
4%synergy
Utility Lands
Otawara, Soaring City
50%inclusion4 decks8 decks
34%synergy
Yavimaya, Cradle of Growth
40%inclusion105 decks260 decks
32%synergy
Boseiju, Who Endures
39%inclusion102 decks260 decks
20%synergy
Command Beacon
37%inclusion96 decks260 decks
32%synergy
Rogue's Passage
25%inclusion64 decks260 decks
4%synergy
Shifting Woodland
22%inclusion57 decks260 decks
15%synergy
Castle Garenbrig
21%inclusion55 decks260 decks
17%synergy
Kessig Wolf Run
20%inclusion51 decks260 decks
5%synergy
Crystal Vein
18%inclusion47 decks260 decks
17%synergy
Reliquary Tower
17%inclusion44 decks260 decks
-13%synergy
Temple of the False God
16%inclusion41 decks260 decks
7%synergy
Mosswort Bridge
14%inclusion36 decks260 decks
3%synergy
Arena of Glory
13%inclusion34 decks260 decks
7%synergy
Urza's Saga
12%inclusion31 decks260 decks
5%synergy
Emergence Zone
10%inclusion26 decks260 decks
8%synergy
Sanctum of Eternity
9.2%inclusion24 decks260 decks
9%synergy
Evendo, Waking Haven
7.7%inclusion20 decks260 decks
3%synergy
Mirrorpool
7.3%inclusion19 decks260 decks
7%synergy
Gaea's Cradle
7.3%inclusion19 decks260 decks
1%synergy
City of Traitors
5.4%inclusion14 decks260 decks
4%synergy
Mana Artifacts
Sol Ring
95%inclusion247 decks260 decks
11%synergy
Arcane Signet
76%inclusion197 decks260 decks
4%synergy
Cursed Mirror
74%inclusion192 decks260 decks
68%synergy
Talisman of Impulse
53%inclusion138 decks260 decks
43%synergy
Fellwar Stone
38%inclusion100 decks260 decks
18%synergy
Lotus Petal
31%inclusion80 decks260 decks
24%synergy
Gruul Signet
25%inclusion64 decks260 decks
15%synergy
Chrome Mox
12%inclusion30 decks260 decks
6%synergy
Thran Dynamo
10%inclusion25 decks260 decks
5%synergy
Grim Monolith
6.9%inclusion18 decks260 decks
5%synergy
Mox Opal
6.2%inclusion16 decks260 decks
2%synergy
Mox Diamond
5.4%inclusion14 decks260 decks
1%synergy
Lands
Ketria Triome
100%inclusion8 decks8 decks
69%synergy
Command Tower
90%inclusion234 decks260 decks
16%synergy
Steam Vents
75%inclusion6 decks8 decks
37%synergy
Breeding Pool
75%inclusion6 decks8 decks
34%synergy
Stomping Ground
71%inclusion184 decks260 decks
30%synergy
Izzet Boilerworks
63%inclusion5 decks8 decks
48%synergy
Simic Growth Chamber
63%inclusion5 decks8 decks
45%synergy
Rejuvenating Springs
63%inclusion5 decks8 decks
36%synergy
Rootbound Crag
62%inclusion162 decks260 decks
35%synergy
Karplusan Forest
61%inclusion158 decks260 decks
41%synergy
Cinder Glade
58%inclusion152 decks260 decks
20%synergy
Wooded Foothills
52%inclusion134 decks260 decks
41%synergy
Spire Garden
52%inclusion134 decks260 decks
29%synergy
Thundering Falls
50%inclusion4 decks8 decks
41%synergy
Training Center
50%inclusion4 decks8 decks
25%synergy
Sulfur Falls
50%inclusion4 decks8 decks
15%synergy
Rockfall Vale
44%inclusion114 decks260 decks
22%synergy
Commercial District
41%inclusion106 decks260 decks
31%synergy
Exotic Orchard
39%inclusion102 decks260 decks
3%synergy
Hedge Maze
38%inclusion3 decks8 decks
27%synergy
Frontier Bivouac
38%inclusion3 decks8 decks
9%synergy
Hinterland Harbor
38%inclusion3 decks8 decks
5%synergy
Thornspire Verge
35%inclusion92 decks260 decks
27%synergy
Game Trail
33%inclusion86 decks260 decks
18%synergy
Cavern of Souls
32%inclusion83 decks260 decks
25%synergy
Gruul Turf
24%inclusion63 decks260 decks
10%synergy
Cragcrown Pathway
24%inclusion62 decks260 decks
17%synergy
Grove of the Burnwillows
23%inclusion60 decks260 decks
21%synergy
Mossfire Valley
22%inclusion58 decks260 decks
11%synergy
Taiga
22%inclusion58 decks260 decks
10%synergy
Windswept Heath
19%inclusion49 decks260 decks
8%synergy
Misty Rainforest
19%inclusion49 decks260 decks
7%synergy
Bloodstained Mire
18%inclusion46 decks260 decks
7%synergy
Fire-Lit Thicket
17%inclusion44 decks260 decks
12%synergy
Gemstone Caverns
17%inclusion43 decks260 decks
12%synergy
Copperline Gorge
17%inclusion43 decks260 decks
12%synergy
Verdant Catacombs
17%inclusion43 decks260 decks
6%synergy
City of Brass
16%inclusion41 decks260 decks
8%synergy
Arid Mesa
16%inclusion41 decks260 decks
6%synergy
Temple of Abandon
16%inclusion41 decks260 decks
3%synergy
Sheltered Thicket
15%inclusion40 decks260 decks
6%synergy
Mana Confluence
13%inclusion34 decks260 decks
6%synergy
Myriad Landscape
13%inclusion34 decks260 decks
-3%synergy
Scalding Tarn
13%inclusion33 decks260 decks
2%synergy
Talon Gates of Madara
9.2%inclusion24 decks260 decks
7%synergy
Prismatic Vista
9.2%inclusion24 decks260 decks
4%synergy
Starting Town
8.5%inclusion22 decks260 decks
6%synergy
Path of Ancestry
7.7%inclusion20 decks260 decks
-14%synergy
Fabled Passage
7.3%inclusion19 decks260 decks
-2%synergy
Highland Forest
5.4%inclusion14 decks260 decks
3%synergy