Rex, Cyber-Hound
Trench Behemoth
Walking Atlas

   Prerequisites

What do I need to start this combo?
Rex on the battlefield.
Trench Behemoth and Walking Atlas in exile.
You have at least one land card in hand. Rex does not have summoning sickness. Trench Behemoth and Walking Atlas exiled with brain counters on them.

   Steps

How does this combo work?
1
Activate Rex using Walking Atlas's ability by tapping it, putting a land from your hand onto the battlefield.
2
If the land is mana-producing and enters the battlefield untapped, you may activate it by tapping it, adding at least 1.
3
Activate Rex using Trench Behemoth's ability by returning the land from the battlefield to your hand, untapping Rex.
4
Repeat.

   Results

What do I get from this combo?
Infinite landfall triggers
Infinite mana lands you control that enter the battlefield untapped can produce
Rex, Cyber-Hound
1.0%inclusion14 decks1.34K decks
High Synergy Cards
HELIOS One
100%inclusion14 decks14 decks
99%synergy
Pili-Pala
93%inclusion13 decks14 decks
92%synergy
Roil Cartographer
86%inclusion12 decks14 decks
85%synergy
Vedalken Engineer
79%inclusion11 decks14 decks
74%synergy
Aethersquall Ancient
71%inclusion10 decks14 decks
71%synergy
Horseshoe Crab
71%inclusion10 decks14 decks
71%synergy
Walking Ballista
71%inclusion10 decks14 decks
68%synergy
Cephalid Inkshrouder
64%inclusion9 decks14 decks
64%synergy
Aetherworks Marvel
64%inclusion9 decks14 decks
64%synergy
Omen Hawker
64%inclusion9 decks14 decks
63%synergy
Top Cards
Arcanis the Omnipotent
64%inclusion9 decks14 decks
63%synergy
Palladium Myr
64%inclusion9 decks14 decks
61%synergy
Swords to Plowshares
64%inclusion9 decks14 decks
-5%synergy
PuPu UFO
63%inclusion5 decks8 decks
61%synergy
Wrath of the Skies
57%inclusion8 decks14 decks
57%synergy
Aethergeode Miner
57%inclusion8 decks14 decks
57%synergy
Aetherling
57%inclusion8 decks14 decks
57%synergy
Gonti's Aether Heart
57%inclusion8 decks14 decks
57%synergy
Guide of Souls
57%inclusion8 decks14 decks
54%synergy
Windfall
57%inclusion8 decks14 decks
44%synergy
Game Changers
Smothering Tithe
29%inclusion4 decks14 decks
3%synergy
Thassa's Oracle
21%inclusion3 decks14 decks
17%synergy
Cyclonic Rift
21%inclusion3 decks14 decks
-2%synergy
Creatures
Farmstead Gleaner
50%inclusion7 decks14 decks
50%synergy
Sphinx of the Revelation
50%inclusion7 decks14 decks
47%synergy
Razorfield Ripper
43%inclusion6 decks14 decks
43%synergy
Surge Engine
43%inclusion6 decks14 decks
43%synergy
Volatile Stormdrake
43%inclusion6 decks14 decks
42%synergy
Jace's Archivist
43%inclusion6 decks14 decks
40%synergy
Ghostly Pilferer
43%inclusion6 decks14 decks
39%synergy
Emry, Lurker of the Loch
43%inclusion6 decks14 decks
31%synergy
Knacksaw Clique
36%inclusion5 decks14 decks
36%synergy
Aethertide Whale
36%inclusion5 decks14 decks
35%synergy
Morphling
36%inclusion5 decks14 decks
35%synergy
Puresight Merrow
36%inclusion5 decks14 decks
35%synergy
Deranged Assistant
36%inclusion5 decks14 decks
35%synergy
Aetherstorm Roc
36%inclusion5 decks14 decks
35%synergy
Kozilek's Channeler
29%inclusion4 decks14 decks
29%synergy
Brightling
29%inclusion4 decks14 decks
28%synergy
Cryptic Trilobite
29%inclusion4 decks14 decks
28%synergy
Tempest Harvester
29%inclusion4 decks14 decks
28%synergy
Electrostatic Pummeler
29%inclusion4 decks14 decks
28%synergy
Mindshrieker
29%inclusion4 decks14 decks
28%synergy
Minister of Inquiries
29%inclusion4 decks14 decks
28%synergy
Brotherhood Scribe
29%inclusion4 decks14 decks
28%synergy
Grand Architect
29%inclusion4 decks14 decks
28%synergy
Dreamtide Whale
29%inclusion4 decks14 decks
27%synergy
Urza, Lord High Artificer
29%inclusion4 decks14 decks
22%synergy
Faerie Mastermind
29%inclusion4 decks14 decks
21%synergy
Adanto Vanguard
21%inclusion3 decks14 decks
21%synergy
Jodah's Avenger
21%inclusion3 decks14 decks
21%synergy
Emissary of Soulfire
21%inclusion3 decks14 decks
21%synergy
Millikin
21%inclusion3 decks14 decks
21%synergy
Arcade Gannon
21%inclusion3 decks14 decks
21%synergy
Lae'zel, Vlaakith's Champion
21%inclusion3 decks14 decks
21%synergy
Mother of Runes
21%inclusion3 decks14 decks
18%synergy
Witch Enchanter
21%inclusion3 decks14 decks
9%synergy
Instants
Glimmer of Genius
50%inclusion7 decks14 decks
50%synergy
Tune the Narrative
50%inclusion7 decks14 decks
50%synergy
Frantic Search
50%inclusion7 decks14 decks
38%synergy
Faithful Mending
43%inclusion6 decks14 decks
37%synergy
Thirst for Knowledge
36%inclusion5 decks14 decks
33%synergy
Stroke of Midnight
36%inclusion5 decks14 decks
20%synergy
Generous Gift
36%inclusion5 decks14 decks
3%synergy
Path to Exile
36%inclusion5 decks14 decks
-17%synergy
Counterspell
36%inclusion5 decks14 decks
-18%synergy
Sink into Stupor
29%inclusion4 decks14 decks
16%synergy
Aether Spike
21%inclusion3 decks14 decks
21%synergy
Thirst for Discovery
21%inclusion3 decks14 decks
20%synergy
Reprieve
21%inclusion3 decks14 decks
18%synergy
Sejiri Shelter
21%inclusion3 decks14 decks
17%synergy
Fact or Fiction
21%inclusion3 decks14 decks
17%synergy
Aetherize
21%inclusion3 decks14 decks
12%synergy
Mana Drain
21%inclusion3 decks14 decks
6%synergy
An Offer You Can't Refuse
21%inclusion3 decks14 decks
-4%synergy
Dovin's Veto
21%inclusion3 decks14 decks
-16%synergy
Sorceries
Suppression Ray
50%inclusion7 decks14 decks
48%synergy
Jolted Awake
43%inclusion6 decks14 decks
42%synergy
Fabricate
43%inclusion6 decks14 decks
32%synergy
Localized Destruction
29%inclusion4 decks14 decks
28%synergy
Sevinne's Reclamation
21%inclusion3 decks14 decks
15%synergy
Supreme Verdict
21%inclusion3 decks14 decks
-7%synergy
Utility Artifacts
Decoction Module
43%inclusion6 decks14 decks
42%synergy
Lightning Greaves
43%inclusion6 decks14 decks
23%synergy
Bespoke Battlewagon
36%inclusion5 decks14 decks
35%synergy
Automated Assembly Line
36%inclusion5 decks14 decks
35%synergy
Swiftfoot Boots
36%inclusion5 decks14 decks
10%synergy
Palantír of Orthanc
29%inclusion4 decks14 decks
28%synergy
Aetherflux Conduit
27%inclusion3 decks11 decks
27%synergy
Stone Idol Generator
21%inclusion3 decks14 decks
21%synergy
Fabrication Module
21%inclusion3 decks14 decks
21%synergy
Illusionist's Bracers
21%inclusion3 decks14 decks
20%synergy
Shorikai, Genesis Engine
21%inclusion3 decks14 decks
17%synergy
Enchantments
Training Grounds
43%inclusion6 decks14 decks
41%synergy
Era of Innovation
29%inclusion4 decks14 decks
28%synergy
Consulate Surveillance
21%inclusion3 decks14 decks
21%synergy
Static Prison
21%inclusion3 decks14 decks
21%synergy
Psychic Corrosion
21%inclusion3 decks14 decks
18%synergy
Propaganda
21%inclusion3 decks14 decks
-4%synergy
Utility Lands
Geier Reach Sanitarium
64%inclusion9 decks14 decks
61%synergy
Buried Ruin
50%inclusion7 decks14 decks
42%synergy
Rogue's Passage
50%inclusion7 decks14 decks
35%synergy
Reliquary Tower
50%inclusion7 decks14 decks
1%synergy
Archway of Innovation
36%inclusion5 decks14 decks
28%synergy
Urza's Saga
36%inclusion5 decks14 decks
24%synergy
Ancient Den
36%inclusion5 decks14 decks
21%synergy
Seat of the Synod
36%inclusion5 decks14 decks
20%synergy
Mystic Sanctuary
29%inclusion4 decks14 decks
10%synergy
Karn's Bastion
21%inclusion3 decks14 decks
19%synergy
Cephalid Coliseum
21%inclusion3 decks14 decks
19%synergy
Minamo, School at Water's Edge
21%inclusion3 decks14 decks
14%synergy
Inventors' Fair
21%inclusion3 decks14 decks
13%synergy
Otawara, Soaring City
21%inclusion3 decks14 decks
2%synergy
Mana Artifacts
Arcane Signet
71%inclusion10 decks14 decks
-12%synergy
Sol Ring
71%inclusion10 decks14 decks
-16%synergy
Solar Transformer
57%inclusion8 decks14 decks
57%synergy
Talisman of Progress
50%inclusion7 decks14 decks
0%synergy
Conversion Apparatus
36%inclusion5 decks14 decks
35%synergy
Azorius Signet
36%inclusion5 decks14 decks
-23%synergy
Fellwar Stone
29%inclusion4 decks14 decks
-1%synergy
Lands
Command Tower
100%inclusion14 decks14 decks
14%synergy
Glacial Fortress
79%inclusion11 decks14 decks
18%synergy
Prairie Stream
79%inclusion11 decks14 decks
12%synergy
Aether Hub
71%inclusion10 decks14 decks
71%synergy
Irrigated Farmland
71%inclusion10 decks14 decks
50%synergy
Adarkar Wastes
71%inclusion10 decks14 decks
30%synergy
Deserted Beach
64%inclusion9 decks14 decks
25%synergy
Azorius Chancery
57%inclusion8 decks14 decks
20%synergy
Port Town
57%inclusion8 decks14 decks
9%synergy
Floodfarm Verge
54%inclusion7 decks13 decks
28%synergy
Meticulous Archive
50%inclusion7 decks14 decks
32%synergy
Razortide Bridge
43%inclusion6 decks14 decks
28%synergy
Temple of Enlightenment
43%inclusion6 decks14 decks
4%synergy
Sea of Clouds
43%inclusion6 decks14 decks
3%synergy
Exotic Orchard
36%inclusion5 decks14 decks
8%synergy
Flooded Strand
36%inclusion5 decks14 decks
4%synergy
Skycloud Expanse
36%inclusion5 decks14 decks
0%synergy
Hallowed Fountain
36%inclusion5 decks14 decks
-10%synergy
Hengegate Pathway
29%inclusion4 decks14 decks
8%synergy
Mystic Gate
29%inclusion4 decks14 decks
6%synergy
Conduit Pylons
21%inclusion3 decks14 decks
21%synergy
Fabled Passage
21%inclusion3 decks14 decks
14%synergy
Terramorphic Expanse
21%inclusion3 decks14 decks
10%synergy
Tundra
21%inclusion3 decks14 decks
9%synergy
Evolving Wilds
21%inclusion3 decks14 decks
5%synergy
Myriad Landscape
21%inclusion3 decks14 decks
4%synergy
Tranquil Cove
21%inclusion3 decks14 decks
3%synergy
Nimbus Maze
21%inclusion3 decks14 decks
-1%synergy