Myr Welder
Umbral Mantle
Sisay's Ring

   Prerequisites

What do I need to start this combo?
Sisay's Ring in exile (Sisay's Ring exiled by Myr Welder in exile).
Myr Welder and Umbral Mantle on the battlefield (Myr Welder without summoning sickness on the battlefield and Umbral Mantle attached to [creature] on the battlefield).

   Steps

How does this combo work?
1
Activate Myr Welder using Sisay's Ring's ability by tapping it, adding at least .
2
Activate Umbral Mantle by paying , untapping Myr Welder.
3
Repeat.

   Results

What do I get from this combo?
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Infinitely large creature until end of turn
Infinite colorless mana
Marvin, Murderous Mimic
0.4%inclusion6 decks1.66K decks
Karn, Silver Golem
0.3%inclusion3 decks1.07K decks
Zirda, the Dawnwaker
0.1%inclusion2 decks2.13K decks
Zhulodok, Void Gorger
0.0%inclusion1 decks20K decks
Ulamog, the Defiler
0.1%inclusion1 decks1.40K decks
Omarthis, Ghostfire Initiate
0.0%inclusion1 decks2.42K decks
High Synergy Cards
Voltaic Construct
100%inclusion14 decks14 decks
100%synergy
Staff of Domination
93%inclusion13 decks14 decks
91%synergy
Karn, the Great Creator
79%inclusion11 decks14 decks
78%synergy
Palladium Myr
79%inclusion11 decks14 decks
77%synergy
Karn, Silver Golem
71%inclusion10 decks14 decks
71%synergy
Urza's Power Plant
71%inclusion10 decks14 decks
70%synergy
Urza's Mine
71%inclusion10 decks14 decks
70%synergy
Urza's Tower
71%inclusion10 decks14 decks
70%synergy
Heartstone
64%inclusion9 decks14 decks
64%synergy
Clock of Omens
64%inclusion9 decks14 decks
63%synergy
Top Cards
Rings of Brighthearth
64%inclusion9 decks14 decks
63%synergy
Sculpting Steel
64%inclusion9 decks14 decks
62%synergy
Toymaker
57%inclusion8 decks14 decks
57%synergy
Alloy Myr
57%inclusion8 decks14 decks
57%synergy
Mirage Mirror
57%inclusion8 decks14 decks
56%synergy
Farmstead Gleaner
50%inclusion7 decks14 decks
50%synergy
Walking Ballista
50%inclusion7 decks14 decks
47%synergy
Myr Galvanizer
43%inclusion6 decks14 decks
43%synergy
Pili-Pala
43%inclusion6 decks14 decks
43%synergy
Metalworker
43%inclusion6 decks14 decks
42%synergy
Game Changers
Mana Vault
57%inclusion8 decks14 decks
51%synergy
Grim Monolith
36%inclusion5 decks14 decks
34%synergy
Ancient Tomb
29%inclusion4 decks14 decks
19%synergy
Mishra's Workshop
21%inclusion3 decks14 decks
21%synergy
The One Ring
21%inclusion3 decks14 decks
13%synergy
Creatures
Scrap Trawler
43%inclusion6 decks14 decks
41%synergy
Foundry Inspector
43%inclusion6 decks14 decks
39%synergy
Crackdown Construct
36%inclusion5 decks14 decks
36%synergy
Cogwork Assembler
36%inclusion5 decks14 decks
36%synergy
Kozilek's Channeler
36%inclusion5 decks14 decks
35%synergy
Kuldotha Forgemaster
36%inclusion5 decks14 decks
35%synergy
Shimmer Myr
36%inclusion5 decks14 decks
34%synergy
Myr Retriever
36%inclusion5 decks14 decks
34%synergy
Ulamog's Dreadsire
31%inclusion4 decks13 decks
30%synergy
Glaring Fleshraker
31%inclusion4 decks13 decks
29%synergy
Phyrexian Devourer
29%inclusion4 decks14 decks
29%synergy
Dross Scorpion
29%inclusion4 decks14 decks
28%synergy
Cryptic Trilobite
29%inclusion4 decks14 decks
28%synergy
Triskelion
29%inclusion4 decks14 decks
28%synergy
Karn, Legacy Reforged
29%inclusion4 decks14 decks
28%synergy
Hangarback Walker
29%inclusion4 decks14 decks
28%synergy
Su-Chi Cave Guard
21%inclusion3 decks14 decks
21%synergy
Arcbound Reclaimer
21%inclusion3 decks14 decks
21%synergy
Myr Kinsmith
21%inclusion3 decks14 decks
21%synergy
Scrapyard Recombiner
21%inclusion3 decks14 decks
21%synergy
Abstruse Archaic
21%inclusion3 decks14 decks
21%synergy
Arcbound Ravager
21%inclusion3 decks14 decks
21%synergy
Workshop Assistant
21%inclusion3 decks14 decks
21%synergy
Mycosynth Golem
21%inclusion3 decks14 decks
21%synergy
Walking Atlas
21%inclusion3 decks14 decks
21%synergy
Conduit of Ruin
21%inclusion3 decks14 decks
21%synergy
Endbringer
21%inclusion3 decks14 decks
21%synergy
Plague Myr
21%inclusion3 decks14 decks
21%synergy
Burnished Hart
21%inclusion3 decks14 decks
18%synergy
Instants
Null Elemental Blast
29%inclusion4 decks14 decks
28%synergy
Titan's Presence
21%inclusion3 decks14 decks
21%synergy
Warping Wail
21%inclusion3 decks14 decks
21%synergy
Sorceries
All Is Dust
43%inclusion6 decks14 decks
41%synergy
Utility Artifacts
Krark-Clan Ironworks
43%inclusion6 decks14 decks
42%synergy
Cloud Key
43%inclusion6 decks14 decks
41%synergy
Mystic Forge
43%inclusion6 decks14 decks
40%synergy
Voltaic Key
36%inclusion5 decks14 decks
35%synergy
Forsaken Monument
36%inclusion5 decks14 decks
34%synergy
Mycosynth Lattice
29%inclusion4 decks14 decks
28%synergy
Manifold Key
29%inclusion4 decks14 decks
27%synergy
Unwinding Clock
29%inclusion4 decks14 decks
26%synergy
Lightning Greaves
29%inclusion4 decks14 decks
4%synergy
Swiftfoot Boots
29%inclusion4 decks14 decks
1%synergy
Skyship Weatherlight
21%inclusion3 decks14 decks
21%synergy
Shuko
21%inclusion3 decks14 decks
21%synergy
Myr Turbine
21%inclusion3 decks14 decks
21%synergy
Magistrate's Scepter
21%inclusion3 decks14 decks
21%synergy
Sword of the Paruns
21%inclusion3 decks14 decks
21%synergy
Cauldron of Souls
21%inclusion3 decks14 decks
21%synergy
Blasting Station
21%inclusion3 decks14 decks
21%synergy
Thornbite Staff
21%inclusion3 decks14 decks
21%synergy
Grinding Station
21%inclusion3 decks14 decks
21%synergy
Darksteel Monolith
21%inclusion3 decks14 decks
21%synergy
Altar of Dementia
21%inclusion3 decks14 decks
19%synergy
Expedition Map
21%inclusion3 decks14 decks
19%synergy
Helm of the Host
21%inclusion3 decks14 decks
18%synergy
Aetherflux Reservoir
21%inclusion3 decks14 decks
18%synergy
Ashnod's Altar
21%inclusion3 decks14 decks
15%synergy
Planeswalkers
Ugin, the Ineffable
21%inclusion3 decks14 decks
20%synergy
Utility Lands
Shrine of the Forsaken Gods
64%inclusion9 decks14 decks
63%synergy
Inventors' Fair
50%inclusion7 decks14 decks
46%synergy
Buried Ruin
50%inclusion7 decks14 decks
45%synergy
War Room
50%inclusion7 decks14 decks
44%synergy
Rogue's Passage
50%inclusion7 decks14 decks
30%synergy
Urza's Factory
43%inclusion6 decks14 decks
42%synergy
Urza's Workshop
43%inclusion6 decks14 decks
42%synergy
Deserted Temple
43%inclusion6 decks14 decks
42%synergy
Bonders' Enclave
43%inclusion6 decks14 decks
40%synergy
Temple of the False God
43%inclusion6 decks14 decks
34%synergy
Sanctum of Ugin
36%inclusion5 decks14 decks
35%synergy
Blast Zone
36%inclusion5 decks14 decks
35%synergy
Emergence Zone
36%inclusion5 decks14 decks
33%synergy
Thespian's Stage
36%inclusion5 decks14 decks
33%synergy
Urza's Saga
36%inclusion5 decks14 decks
29%synergy
Reliquary Tower
36%inclusion5 decks14 decks
6%synergy
Ugin's Labyrinth
29%inclusion4 decks14 decks
28%synergy
Crystal Vein
29%inclusion4 decks14 decks
28%synergy
Tomb of the Spirit Dragon
29%inclusion4 decks14 decks
28%synergy
Eldrazi Temple
29%inclusion4 decks14 decks
28%synergy
Guildless Commons
29%inclusion4 decks14 decks
27%synergy
Scavenger Grounds
29%inclusion4 decks14 decks
25%synergy
Darksteel Citadel
29%inclusion4 decks14 decks
25%synergy
Underdark Rift
21%inclusion3 decks14 decks
21%synergy
Sea Gate Wreckage
21%inclusion3 decks14 decks
21%synergy
Mage-Ring Network
21%inclusion3 decks14 decks
21%synergy
Eye of Ugin
21%inclusion3 decks14 decks
21%synergy
Radiant Fountain
21%inclusion3 decks14 decks
20%synergy
Strip Mine
21%inclusion3 decks14 decks
19%synergy
Karn's Bastion
21%inclusion3 decks14 decks
17%synergy
Mana Artifacts
Basalt Monolith
100%inclusion14 decks14 decks
98%synergy
Thran Dynamo
100%inclusion14 decks14 decks
95%synergy
Sol Ring
100%inclusion14 decks14 decks
16%synergy
Dreamstone Hedron
86%inclusion12 decks14 decks
85%synergy
Hedron Archive
86%inclusion12 decks14 decks
83%synergy
Worn Powerstone
79%inclusion11 decks14 decks
76%synergy
Gilded Lotus
79%inclusion11 decks14 decks
76%synergy
Chromatic Orrery
50%inclusion7 decks14 decks
49%synergy
Mind Stone
50%inclusion7 decks14 decks
35%synergy
Empowered Autogenerator
43%inclusion6 decks14 decks
42%synergy
Everflowing Chalice
43%inclusion6 decks14 decks
39%synergy
Stonespeaker Crystal
29%inclusion4 decks14 decks
28%synergy
Thought Vessel
29%inclusion4 decks14 decks
11%synergy
Powerstone Shard
21%inclusion3 decks14 decks
21%synergy
Ur-Golem's Eye
21%inclusion3 decks14 decks
21%synergy
Liquimetal Torque
21%inclusion3 decks14 decks
19%synergy
Lands
The Mycosynth Gardens
36%inclusion5 decks14 decks
34%synergy
Urza's Cave
36%inclusion5 decks14 decks
33%synergy
Abstergo Entertainment
23%inclusion3 decks13 decks
22%synergy
Hall of Tagsin
21%inclusion3 decks14 decks
21%synergy
Mirrex
21%inclusion3 decks14 decks
21%synergy