Near-infinite colorless manaNear-infinite death triggersNear-infinite creature ETBNear-infinite creature LTBNear-infinite creature sacrifice triggersNear-infinite storm countOpponents sacrifice all their creatures each turnLock
How it works
Sacrifice Cathodion to Krark-Clan Ironworks, adding CC.
Cathodion and Grave Pact trigger.
Resolve Cathodion's trigger, adding CCC.
Resolve Grave Pact's trigger, causing each opponent to sacrifice a creature.
Glissa triggers at least once, allowing you to return Cathodion to your hand.
Cast Cathodion by paying 3.
Repeat until your opponents no longer control any creatures.