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 decks6.90K decks
Top Commanders
Etali, Primal Conqueror
3.6%inclusion216 decks5.94K decks
Roxanne, Starfall Savant
0.3%inclusion7 decks2.63K decks
Riku of Two Reflections
0.3%inclusion4 decks1.28K decks
Wort, the Raidmother
0.3%inclusion3 decks883 decks
Xira Arien
0.6%inclusion1 decks156 decks
Faldorn, Dread Wolf Herald
0.1%inclusion1 decks1.62K decks
Samut, Vizier of Naktamun
0.2%inclusion1 decks408 decks
Xenagos, God of Revels
0.0%inclusion1 decks2.59K decks
Kynaios and Tiro of Meletis
0.0%inclusion1 decks3.55K decks
Jerrard of the Closed Fist
3.6%inclusion1 decks28 decks
Karlach, Fury of Avernus // Hardy Outlander
0.3%inclusion1 decks357 decks
Rocco, Cabaretti Caterer
0.0%inclusion1 decks2.89K decks
Magus Lucea Kane
0.0%inclusion1 decks3.87K decks
New Cards
Abandon Attachments
20%inclusion1 decks5 decks
17%synergy
Waterbending Lesson
20%inclusion1 decks5 decks
19%synergy
Redirect Lightning
4.5%inclusion10 decks220 decks
-1%synergy
Shared Roots
4.5%inclusion4 decks89 decks
-1%synergy
Badgermole Cub
4.3%inclusion4 decks94 decks
-1%synergy
High Synergy Cards
Electroduplicate
83%inclusion199 decks241 decks
81%synergy
Twinflame
82%inclusion198 decks241 decks
80%synergy
Jaxis, the Troublemaker
78%inclusion187 decks241 decks
76%synergy
Heat Shimmer
74%inclusion178 decks241 decks
73%synergy
Rionya, Fire Dancer
68%inclusion163 decks241 decks
67%synergy
Panharmonicon
71%inclusion170 decks241 decks
67%synergy
Hellkite Courser
66%inclusion158 decks241 decks
64%synergy
Goblin Anarchomancer
76%inclusion184 decks241 decks
64%synergy
Molten Duplication
65%inclusion156 decks241 decks
63%synergy
Seething Song
68%inclusion165 decks241 decks
62%synergy
Top Cards
Birds of Paradise
66%inclusion158 decks241 decks
38%synergy
Llanowar Elves
64%inclusion154 decks241 decks
44%synergy
Rite of Replication
63%inclusion5 decks8 decks
59%synergy
Orthion, Hero of Lavabrink
58%inclusion139 decks241 decks
56%synergy
Nature's Lore
58%inclusion139 decks241 decks
26%synergy
Delighted Halfling
57%inclusion138 decks241 decks
45%synergy
Orcish Lumberjack
56%inclusion134 decks241 decks
53%synergy
Tinder Wall
55%inclusion132 decks241 decks
52%synergy
Wild Growth
55%inclusion132 decks241 decks
44%synergy
Cultivate
55%inclusion132 decks241 decks
12%synergy
Game Changers
Cyclonic Rift
63%inclusion5 decks8 decks
39%synergy
Jeska's Will
57%inclusion137 decks241 decks
41%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
27%inclusion64 decks241 decks
14%synergy
Ancient Tomb
25%inclusion61 decks241 decks
16%synergy
Gamble
25%inclusion60 decks241 decks
16%synergy
Underworld Breach
19%inclusion45 decks241 decks
13%synergy
Mana Vault
17%inclusion40 decks241 decks
11%synergy
Creatures
Disciple of Freyalise
53%inclusion128 decks241 decks
48%synergy
Elvish Mystic
53%inclusion128 decks241 decks
37%synergy
Dualcaster Mage
52%inclusion126 decks241 decks
48%synergy
Veyran, Voice of Duality
50%inclusion4 decks8 decks
44%synergy
Goblin Electromancer
50%inclusion4 decks8 decks
41%synergy
Treasonous Ogre
49%inclusion119 decks241 decks
48%synergy
Delina, Wild Mage
46%inclusion112 decks241 decks
44%synergy
Simian Spirit Guide
46%inclusion112 decks241 decks
41%synergy
Sakura-Tribe Elder
42%inclusion101 decks241 decks
25%synergy
Roaming Throne
41%inclusion100 decks241 decks
35%synergy
Elvish Spirit Guide
41%inclusion99 decks241 decks
37%synergy
Squee, the Immortal
40%inclusion96 decks241 decks
38%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%inclusion89 decks241 decks
35%synergy
Etali, Primal Storm
36%inclusion87 decks241 decks
28%synergy
Pinnacle Monk
33%inclusion79 decks241 decks
28%synergy
Fyndhorn Elves
32%inclusion78 decks241 decks
22%synergy
Birgi, God of Storytelling
29%inclusion69 decks241 decks
23%synergy
Mirage Phalanx
28%inclusion68 decks241 decks
28%synergy
Hunting Velociraptor
28%inclusion68 decks241 decks
27%synergy
Goreclaw, Terror of Qal Sisma
28%inclusion67 decks241 decks
24%synergy
Temur Sabertooth
27%inclusion64 decks241 decks
24%synergy
Fanatic of Rhonas
26%inclusion62 decks241 decks
20%synergy
Wandering Archaic
25%inclusion60 decks241 decks
24%synergy
Ragavan, Nimble Pilferer
24%inclusion58 decks241 decks
16%synergy
Herigast, Erupting Nullkite
23%inclusion56 decks241 decks
23%synergy
Reckless Barbarian
22%inclusion54 decks241 decks
21%synergy
Selvala, Heart of the Wilds
22%inclusion53 decks241 decks
17%synergy
Destiny Spinner
22%inclusion52 decks241 decks
18%synergy
Springheart Nantuko
20%inclusion48 decks241 decks
15%synergy
Nalfeshnee
20%inclusion47 decks241 decks
18%synergy
Imperial Recruiter
19%inclusion45 decks241 decks
14%synergy
Apex Devastator
18%inclusion44 decks241 decks
15%synergy
Frenzied Baloth
18%inclusion43 decks241 decks
16%synergy
Topiary Stomper
17%inclusion41 decks241 decks
14%synergy
_____ Goblin
15%inclusion37 decks241 decks
15%synergy
Arbor Elf
15%inclusion36 decks241 decks
10%synergy
Flamerush Rider
15%inclusion35 decks241 decks
14%synergy
Vexing Shusher
15%inclusion35 decks241 decks
13%synergy
Wood Elves
13%inclusion32 decks241 decks
8%synergy
Reclamation Sage
13%inclusion32 decks241 decks
5%synergy
Hulking Raptor
13%inclusion31 decks241 decks
11%synergy
Gwenna, Eyes of Gaea
12%inclusion30 decks241 decks
10%synergy
Professional Face-Breaker
12%inclusion30 decks241 decks
4%synergy
Bramble Sovereign
12%inclusion28 decks241 decks
11%synergy
Terror of the Peaks
11%inclusion27 decks241 decks
6%synergy
Instants
Beast Within
54%inclusion130 decks241 decks
19%synergy
Frantic Search
50%inclusion4 decks8 decks
36%synergy
Chaos Warp
44%inclusion105 decks241 decks
13%synergy
Pyretic Ritual
39%inclusion95 decks241 decks
36%synergy
Desperate Ritual
39%inclusion94 decks241 decks
36%synergy
Flare of Duplication
38%inclusion91 decks241 decks
35%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
Noxious Revival
37%inclusion89 decks241 decks
32%synergy
Heroic Intervention
34%inclusion81 decks241 decks
3%synergy
Veil of Summer
30%inclusion72 decks241 decks
25%synergy
Deflecting Swat
28%inclusion68 decks241 decks
12%synergy
Red Elemental Blast
28%inclusion67 decks241 decks
22%synergy
Nature's Claim
27%inclusion64 decks241 decks
19%synergy
Return of the Wildspeaker
27%inclusion64 decks241 decks
15%synergy
Lightning Bolt
26%inclusion62 decks241 decks
15%synergy
Pyroblast
25%inclusion61 decks241 decks
20%synergy
Force of Vigor
20%inclusion49 decks241 decks
17%synergy
Tibalt's Trickery
17%inclusion42 decks241 decks
13%synergy
Abrade
16%inclusion38 decks241 decks
4%synergy
Untimely Malfunction
15%inclusion37 decks241 decks
8%synergy
Crop Rotation
15%inclusion36 decks241 decks
5%synergy
Bolt Bend
14%inclusion34 decks241 decks
10%synergy
Eldrazi Confluence
14%inclusion33 decks241 decks
13%synergy
Big Score
14%inclusion33 decks241 decks
4%synergy
Return the Favor
13%inclusion32 decks241 decks
10%synergy
Unexpected Windfall
13%inclusion31 decks241 decks
6%synergy
Delayed Blast Fireball
12%inclusion30 decks241 decks
10%synergy
Harrow
12%inclusion30 decks241 decks
3%synergy
Autumn's Veil
12%inclusion28 decks241 decks
10%synergy
Entish Restoration
10%inclusion25 decks241 decks
4%synergy
Tamiyo's Safekeeping
10%inclusion24 decks241 decks
4%synergy
Archdruid's Charm
10%inclusion23 decks241 decks
5%synergy
Valakut Awakening
9.1%inclusion22 decks241 decks
4%synergy
Manamorphose
8.3%inclusion20 decks241 decks
5%synergy
Chord of Calling
7.9%inclusion19 decks241 decks
2%synergy
Open the Omenpaths
7.1%inclusion17 decks241 decks
7%synergy
Reiterate
6.6%inclusion16 decks241 decks
5%synergy
Lifestream's Blessing
6.6%inclusion16 decks241 decks
5%synergy
Tyvar's Stand
6.6%inclusion16 decks241 decks
3%synergy
Guttural Response
6.2%inclusion15 decks241 decks
6%synergy
Krosan Grip
5.8%inclusion14 decks241 decks
0%synergy
Sorceries
Doppelgang
50%inclusion4 decks8 decks
47%synergy
Farseek
49%inclusion117 decks241 decks
13%synergy
Blasphemous Act
45%inclusion109 decks241 decks
12%synergy
Kodama's Reach
42%inclusion102 decks241 decks
15%synergy
Rampant Growth
42%inclusion102 decks241 decks
9%synergy
Three Visits
40%inclusion97 decks241 decks
16%synergy
Geosurge
40%inclusion96 decks241 decks
40%synergy
Metamorphosis
34%inclusion82 decks241 decks
34%synergy
Rishkar's Expertise
34%inclusion82 decks241 decks
24%synergy
Rite of Flame
31%inclusion75 decks241 decks
27%synergy
Eldritch Evolution
30%inclusion72 decks241 decks
26%synergy
Skyshroud Claim
29%inclusion71 decks241 decks
21%synergy
Bala Ged Recovery
18%inclusion43 decks241 decks
10%synergy
Infernal Plunge
17%inclusion40 decks241 decks
16%synergy
Vandalblast
17%inclusion40 decks241 decks
1%synergy
Glimpse the Impossible
16%inclusion38 decks241 decks
14%synergy
Call Forth the Tempest
15%inclusion37 decks241 decks
14%synergy
Stump Stomp
15%inclusion36 decks241 decks
9%synergy
Explore
15%inclusion35 decks241 decks
5%synergy
Bridgeworks Battle
14%inclusion33 decks241 decks
10%synergy
Nature's Rhythm
11%inclusion27 decks241 decks
7%synergy
Decimate
11%inclusion27 decks241 decks
3%synergy
Migration Path
11%inclusion26 decks241 decks
8%synergy
Wheel of Fortune
11%inclusion26 decks241 decks
6%synergy
Harmonize
10%inclusion23 decks241 decks
2%synergy
Escape to the Wilds
9.1%inclusion22 decks241 decks
6%synergy
Faithless Looting
9.1%inclusion22 decks241 decks
-7%synergy
Strike It Rich
8.7%inclusion21 decks241 decks
6%synergy
Hull Breach
8.3%inclusion20 decks241 decks
5%synergy
Last March of the Ents
7.9%inclusion19 decks241 decks
4%synergy
Turntimber Symbiosis
7.5%inclusion18 decks241 decks
6%synergy
Green Sun's Zenith
7.1%inclusion17 decks241 decks
2%synergy
Finale of Devastation
7.1%inclusion17 decks241 decks
-1%synergy
Utility Artifacts
Conjurer's Closet
51%inclusion122 decks241 decks
48%synergy
Blade of Selves
41%inclusion98 decks241 decks
39%synergy
Helm of the Host
33%inclusion80 decks241 decks
30%synergy
The Fire Crystal
30%inclusion73 decks241 decks
26%synergy
Ruby Medallion
19%inclusion46 decks241 decks
16%synergy
The One Ring
18%inclusion43 decks241 decks
9%synergy
Swiftfoot Boots
17%inclusion41 decks241 decks
-10%synergy
Mirror Box
16%inclusion38 decks241 decks
15%synergy
Cloudstone Curio
15%inclusion35 decks241 decks
14%synergy
Lightning Greaves
14%inclusion33 decks241 decks
-11%synergy
Voyager Staff
13%inclusion32 decks241 decks
13%synergy
Strionic Resonator
12%inclusion30 decks241 decks
10%synergy
Sword of Hearth and Home
12%inclusion28 decks241 decks
10%synergy
The Great Henge
10%inclusion25 decks241 decks
1%synergy
Defense Grid
6.6%inclusion16 decks241 decks
6%synergy
Enchantments
Food Chain
46%inclusion111 decks241 decks
44%synergy
Utopia Sprawl
42%inclusion102 decks241 decks
35%synergy
Rhythm of the Wild
39%inclusion94 decks241 decks
17%synergy
Flameshadow Conjuring
30%inclusion72 decks241 decks
29%synergy
Carpet of Flowers
28%inclusion67 decks241 decks
25%synergy
Sylvan Library
28%inclusion67 decks241 decks
18%synergy
Garruk's Uprising
24%inclusion57 decks241 decks
7%synergy
Passionate Archaeologist
17%inclusion41 decks241 decks
15%synergy
Mirror March
17%inclusion40 decks241 decks
16%synergy
Splinter Twin
12%inclusion28 decks241 decks
11%synergy
Molten Echoes
10%inclusion25 decks241 decks
9%synergy
Warstorm Surge
10%inclusion25 decks241 decks
6%synergy
Up the Beanstalk
9.1%inclusion22 decks241 decks
6%synergy
Guardian Project
9.1%inclusion22 decks241 decks
1%synergy
Greater Good
8.3%inclusion20 decks241 decks
4%synergy
Blood Moon
7.9%inclusion19 decks241 decks
5%synergy
Elemental Bond
5.4%inclusion13 decks241 decks
0%synergy
Growing Rites of Itlimoc
5.4%inclusion13 decks241 decks
0%synergy
Planeswalkers
Chandra, Flameshaper
41%inclusion99 decks241 decks
40%synergy
Domri, Anarch of Bolas
11%inclusion26 decks241 decks
8%synergy
Minsc & Boo, Timeless Heroes
5.4%inclusion13 decks241 decks
4%synergy
Utility Lands
Otawara, Soaring City
50%inclusion4 decks8 decks
34%synergy
Boseiju, Who Endures
39%inclusion95 decks241 decks
21%synergy
Yavimaya, Cradle of Growth
38%inclusion92 decks241 decks
29%synergy
Command Beacon
37%inclusion88 decks241 decks
32%synergy
Rogue's Passage
24%inclusion59 decks241 decks
4%synergy
Shifting Woodland
22%inclusion53 decks241 decks
15%synergy
Castle Garenbrig
21%inclusion51 decks241 decks
17%synergy
Kessig Wolf Run
20%inclusion48 decks241 decks
5%synergy
Crystal Vein
17%inclusion41 decks241 decks
16%synergy
Temple of the False God
16%inclusion39 decks241 decks
7%synergy
Reliquary Tower
16%inclusion39 decks241 decks
-14%synergy
Mosswort Bridge
14%inclusion33 decks241 decks
3%synergy
Arena of Glory
13%inclusion32 decks241 decks
7%synergy
Urza's Saga
11%inclusion27 decks241 decks
4%synergy
Sanctum of Eternity
10%inclusion23 decks241 decks
9%synergy
Emergence Zone
10%inclusion23 decks241 decks
7%synergy
Mirrorpool
7.9%inclusion19 decks241 decks
7%synergy
Evendo, Waking Haven
7.5%inclusion18 decks241 decks
3%synergy
Gaea's Cradle
7.1%inclusion17 decks241 decks
1%synergy
City of Traitors
5.4%inclusion13 decks241 decks
4%synergy
Mana Artifacts
Sol Ring
95%inclusion228 decks241 decks
11%synergy
Arcane Signet
75%inclusion180 decks241 decks
2%synergy
Cursed Mirror
73%inclusion176 decks241 decks
67%synergy
Talisman of Impulse
53%inclusion127 decks241 decks
42%synergy
Fellwar Stone
39%inclusion94 decks241 decks
18%synergy
Lotus Petal
29%inclusion69 decks241 decks
22%synergy
Gruul Signet
24%inclusion59 decks241 decks
15%synergy
Chrome Mox
11%inclusion26 decks241 decks
5%synergy
Thran Dynamo
10%inclusion23 decks241 decks
5%synergy
Grim Monolith
7.5%inclusion18 decks241 decks
5%synergy
Mox Opal
6.2%inclusion15 decks241 decks
2%synergy
Mind Stone
5.8%inclusion14 decks241 decks
-9%synergy
Mox Diamond
5.4%inclusion13 decks241 decks
1%synergy
Commander's Sphere
5.4%inclusion13 decks241 decks
-7%synergy
Lands
Ketria Triome
100%inclusion8 decks8 decks
69%synergy
Command Tower
90%inclusion217 decks241 decks
16%synergy
Steam Vents
75%inclusion6 decks8 decks
37%synergy
Breeding Pool
75%inclusion6 decks8 decks
34%synergy
Stomping Ground
70%inclusion168 decks241 decks
29%synergy
Izzet Boilerworks
63%inclusion5 decks8 decks
48%synergy
Simic Growth Chamber
63%inclusion5 decks8 decks
44%synergy
Rejuvenating Springs
63%inclusion5 decks8 decks
35%synergy
Rootbound Crag
62%inclusion150 decks241 decks
35%synergy
Karplusan Forest
59%inclusion142 decks241 decks
39%synergy
Cinder Glade
59%inclusion141 decks241 decks
20%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
Wooded Foothills
50%inclusion120 decks241 decks
39%synergy
Spire Garden
49%inclusion119 decks241 decks
27%synergy
Rockfall Vale
43%inclusion103 decks241 decks
21%synergy
Commercial District
40%inclusion97 decks241 decks
31%synergy
Exotic Orchard
39%inclusion95 decks241 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
Game Trail
34%inclusion81 decks241 decks
18%synergy
Thornspire Verge
32%inclusion78 decks241 decks
24%synergy
Cavern of Souls
31%inclusion74 decks241 decks
23%synergy
Gruul Turf
24%inclusion58 decks241 decks
10%synergy
Taiga
23%inclusion56 decks241 decks
10%synergy
Mossfire Valley
23%inclusion55 decks241 decks
11%synergy
Grove of the Burnwillows
22%inclusion53 decks241 decks
20%synergy
Cragcrown Pathway
22%inclusion53 decks241 decks
15%synergy
Windswept Heath
18%inclusion44 decks241 decks
7%synergy
Misty Rainforest
18%inclusion44 decks241 decks
7%synergy
Bloodstained Mire
18%inclusion43 decks241 decks
7%synergy
Fire-Lit Thicket
17%inclusion41 decks241 decks
12%synergy
Gemstone Caverns
17%inclusion40 decks241 decks
12%synergy
Verdant Catacombs
17%inclusion40 decks241 decks
6%synergy
City of Brass
16%inclusion39 decks241 decks
9%synergy
Temple of Abandon
16%inclusion38 decks241 decks
3%synergy
Copperline Gorge
15%inclusion37 decks241 decks
10%synergy
Arid Mesa
15%inclusion37 decks241 decks
5%synergy
Sheltered Thicket
15%inclusion36 decks241 decks
6%synergy
Mana Confluence
13%inclusion32 decks241 decks
6%synergy
Scalding Tarn
13%inclusion31 decks241 decks
2%synergy
Myriad Landscape
13%inclusion31 decks241 decks
-4%synergy
Prismatic Vista
10%inclusion23 decks241 decks
5%synergy
Talon Gates of Madara
8.7%inclusion21 decks241 decks
6%synergy
Starting Town
8.3%inclusion20 decks241 decks
6%synergy
Fabled Passage
7.5%inclusion18 decks241 decks
-2%synergy
Path of Ancestry
7.5%inclusion18 decks241 decks
-15%synergy
Highland Forest
5.4%inclusion13 decks241 decks
3%synergy