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 decks1.53K decks
Zirda, the Dawnwaker
0.1%inclusion2 decks2.04K decks
Zhulodok, Void Gorger
0.0%inclusion1 decks19.9K decks
Ulamog, the Defiler
0.1%inclusion1 decks1.25K decks
Omarthis, Ghostfire Initiate
0.0%inclusion1 decks2.42K decks
Karn, Silver Golem
0.1%inclusion1 decks1.05K decks
High Synergy Cards
Voltaic Construct
100%inclusion12 decks12 decks
100%synergy
Staff of Domination
92%inclusion11 decks12 decks
90%synergy
Karn, Silver Golem
83%inclusion10 decks12 decks
83%synergy
Karn, the Great Creator
83%inclusion10 decks12 decks
82%synergy
Palladium Myr
83%inclusion10 decks12 decks
81%synergy
Urza's Power Plant
75%inclusion9 decks12 decks
73%synergy
Urza's Mine
75%inclusion9 decks12 decks
73%synergy
Urza's Tower
75%inclusion9 decks12 decks
73%synergy
Shrine of the Forsaken Gods
67%inclusion8 decks12 decks
65%synergy
Toymaker
58%inclusion7 decks12 decks
58%synergy
Top Cards
Farmstead Gleaner
58%inclusion7 decks12 decks
58%synergy
Alloy Myr
58%inclusion7 decks12 decks
58%synergy
Heartstone
58%inclusion7 decks12 decks
58%synergy
Clock of Omens
58%inclusion7 decks12 decks
57%synergy
Rings of Brighthearth
58%inclusion7 decks12 decks
57%synergy
Mirage Mirror
58%inclusion7 decks12 decks
57%synergy
Sculpting Steel
58%inclusion7 decks12 decks
56%synergy
Walking Ballista
58%inclusion7 decks12 decks
56%synergy
Pili-Pala
50%inclusion6 decks12 decks
50%synergy
Mystic Forge
50%inclusion6 decks12 decks
47%synergy
Game Changers
Mana Vault
58%inclusion7 decks12 decks
52%synergy
Grim Monolith
42%inclusion5 decks12 decks
40%synergy
Ancient Tomb
42%inclusion5 decks12 decks
32%synergy
The One Ring
33%inclusion4 decks12 decks
25%synergy
Mishra's Workshop
25%inclusion3 decks12 decks
25%synergy
Creatures
Glaring Fleshraker
45%inclusion5 decks11 decks
44%synergy
Kozilek's Channeler
42%inclusion5 decks12 decks
41%synergy
Myr Galvanizer
42%inclusion5 decks12 decks
41%synergy
Metalworker
42%inclusion5 decks12 decks
41%synergy
Karn, Legacy Reforged
42%inclusion5 decks12 decks
41%synergy
Scrap Trawler
42%inclusion5 decks12 decks
40%synergy
Foundry Inspector
42%inclusion5 decks12 decks
38%synergy
Ulamog's Dreadsire
36%inclusion4 decks11 decks
36%synergy
Crackdown Construct
33%inclusion4 decks12 decks
33%synergy
Phyrexian Devourer
33%inclusion4 decks12 decks
33%synergy
Cogwork Assembler
33%inclusion4 decks12 decks
33%synergy
Cryptic Trilobite
33%inclusion4 decks12 decks
33%synergy
Triskelion
33%inclusion4 decks12 decks
33%synergy
Kuldotha Forgemaster
33%inclusion4 decks12 decks
33%synergy
Shimmer Myr
33%inclusion4 decks12 decks
32%synergy
Myr Retriever
33%inclusion4 decks12 decks
32%synergy
Dross Scorpion
25%inclusion3 decks12 decks
25%synergy
Su-Chi Cave Guard
25%inclusion3 decks12 decks
25%synergy
Myr Kinsmith
25%inclusion3 decks12 decks
25%synergy
Scrapyard Recombiner
25%inclusion3 decks12 decks
25%synergy
Abstruse Archaic
25%inclusion3 decks12 decks
25%synergy
Arcbound Ravager
25%inclusion3 decks12 decks
25%synergy
Workshop Assistant
25%inclusion3 decks12 decks
25%synergy
Mycosynth Golem
25%inclusion3 decks12 decks
25%synergy
Conduit of Ruin
25%inclusion3 decks12 decks
24%synergy
Endbringer
25%inclusion3 decks12 decks
24%synergy
Plague Myr
25%inclusion3 decks12 decks
24%synergy
Hangarback Walker
25%inclusion3 decks12 decks
24%synergy
Burnished Hart
25%inclusion3 decks12 decks
22%synergy
Instants
Null Elemental Blast
42%inclusion5 decks12 decks
41%synergy
Titan's Presence
25%inclusion3 decks12 decks
24%synergy
Warping Wail
25%inclusion3 decks12 decks
24%synergy
Sorceries
All Is Dust
42%inclusion5 decks12 decks
40%synergy
Utility Artifacts
Krark-Clan Ironworks
42%inclusion5 decks12 decks
41%synergy
Forsaken Monument
42%inclusion5 decks12 decks
40%synergy
Cloud Key
42%inclusion5 decks12 decks
40%synergy
Darksteel Monolith
33%inclusion4 decks12 decks
33%synergy
Manifold Key
33%inclusion4 decks12 decks
32%synergy
Unwinding Clock
33%inclusion4 decks12 decks
31%synergy
Swiftfoot Boots
33%inclusion4 decks12 decks
6%synergy
Myr Turbine
25%inclusion3 decks12 decks
25%synergy
Cauldron of Souls
25%inclusion3 decks12 decks
25%synergy
Blasting Station
25%inclusion3 decks12 decks
25%synergy
Thornbite Staff
25%inclusion3 decks12 decks
24%synergy
Grinding Station
25%inclusion3 decks12 decks
24%synergy
Mycosynth Lattice
25%inclusion3 decks12 decks
24%synergy
Voltaic Key
25%inclusion3 decks12 decks
24%synergy
Moonsilver Key
25%inclusion3 decks12 decks
24%synergy
Altar of Dementia
25%inclusion3 decks12 decks
23%synergy
Helm of the Host
25%inclusion3 decks12 decks
22%synergy
Lightning Greaves
25%inclusion3 decks12 decks
0%synergy
Planeswalkers
Tezzeret, Cruel Captain
75%inclusion3 decks4 decks
73%synergy
Ugin, the Ineffable
25%inclusion3 decks12 decks
23%synergy
Utility Lands
Urza's Workshop
58%inclusion7 decks12 decks
58%synergy
Urza's Factory
50%inclusion6 decks12 decks
50%synergy
Deserted Temple
50%inclusion6 decks12 decks
49%synergy
Bonders' Enclave
50%inclusion6 decks12 decks
48%synergy
Inventors' Fair
50%inclusion6 decks12 decks
46%synergy
War Room
50%inclusion6 decks12 decks
44%synergy
Urza's Saga
50%inclusion6 decks12 decks
43%synergy
Rogue's Passage
50%inclusion6 decks12 decks
30%synergy
Eldrazi Temple
42%inclusion5 decks12 decks
41%synergy
Thespian's Stage
42%inclusion5 decks12 decks
39%synergy
Buried Ruin
42%inclusion5 decks12 decks
37%synergy
Ugin's Labyrinth
33%inclusion4 decks12 decks
33%synergy
Blast Zone
33%inclusion4 decks12 decks
32%synergy
Temple of the False God
33%inclusion4 decks12 decks
24%synergy
Reliquary Tower
33%inclusion4 decks12 decks
3%synergy
Sanctum of Ugin
25%inclusion3 decks12 decks
24%synergy
Eye of Ugin
25%inclusion3 decks12 decks
24%synergy
Crystal Vein
25%inclusion3 decks12 decks
24%synergy
Tomb of the Spirit Dragon
25%inclusion3 decks12 decks
24%synergy
Fomori Vault
25%inclusion3 decks12 decks
24%synergy
Guildless Commons
25%inclusion3 decks12 decks
24%synergy
Emergence Zone
25%inclusion3 decks12 decks
23%synergy
Strip Mine
25%inclusion3 decks12 decks
22%synergy
Scavenger Grounds
25%inclusion3 decks12 decks
21%synergy
Karn's Bastion
25%inclusion3 decks12 decks
20%synergy
Mana Artifacts
Basalt Monolith
100%inclusion12 decks12 decks
98%synergy
Thran Dynamo
100%inclusion12 decks12 decks
95%synergy
Sol Ring
100%inclusion12 decks12 decks
16%synergy
Dreamstone Hedron
83%inclusion10 decks12 decks
82%synergy
Hedron Archive
83%inclusion10 decks12 decks
81%synergy
Worn Powerstone
75%inclusion9 decks12 decks
73%synergy
Gilded Lotus
75%inclusion9 decks12 decks
72%synergy
Chromatic Orrery
58%inclusion7 decks12 decks
57%synergy
Empowered Autogenerator
42%inclusion5 decks12 decks
41%synergy
Mind Stone
42%inclusion5 decks12 decks
27%synergy
Stonespeaker Crystal
33%inclusion4 decks12 decks
33%synergy
Powerstone Shard
25%inclusion3 decks12 decks
25%synergy
The Mightstone and Weakstone
25%inclusion3 decks12 decks
24%synergy
Liquimetal Torque
25%inclusion3 decks12 decks
22%synergy
Everflowing Chalice
25%inclusion3 decks12 decks
21%synergy
Lotus Petal
25%inclusion3 decks12 decks
18%synergy
Thought Vessel
25%inclusion3 decks12 decks
7%synergy
Lands
Urza's Cave
50%inclusion6 decks12 decks
47%synergy
The Mycosynth Gardens
33%inclusion4 decks12 decks
32%synergy
Abstergo Entertainment
27%inclusion3 decks11 decks
26%synergy
Hall of Tagsin
25%inclusion3 decks12 decks
25%synergy
Planar Nexus
25%inclusion3 decks12 decks
24%synergy
Mirrex
25%inclusion3 decks12 decks
24%synergy