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Retrofitter Foundry + Stridehangar Automaton + Urza, Lord High Artificer + Worldwalker Helm

U mana
Retrofitter Foundry
Retrofitter Foundry
Stridehangar Automaton
Stridehangar Automaton
Urza, Lord High Artificer
Urza, Lord High Artificer
Worldwalker Helm
Worldwalker Helm
Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggersInfinite tapped Map tokensInfinite tapped creature tokens

How it works

  1. Activate Retrofitter Foundry's fourth ability by tapping it and sacrificing a Thopter, creating a 4/4 Construct artifact creature token, a 1/1 Thopter artifact creature token, and a Map token.
  2. Activate Urza's first ability three times by tapping the Thopter, Construct and Map, adding U manaU manaU mana.
  3. Activate Retrofitter Foundry's first ability by paying 3, untapping it.
  4. Repeat.
Legal in:CommanderLegacyOathbreakerVintage
1.1k decks$20.76