the front side of Scaretiller
the back of a classic MtG card
the front side of Retreat to Coralhelm
the back of a classic MtG card
the front side of Gateway Plaza
the back of a classic MtG card
the front side of Urza, Lord High Artificer
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Gateway Plaza in your graveyard.
  2.  All other permanents on the battlefield.

Steps

  1. Activate Urza by tapping Scaretiller, adding ({U} magic symbol)  .
  2. Scaretiller triggers, returning Gateway Plaza from your graveyard to the battlefield tapped.
  3. Gateway Plaza enters the battlefield, triggering itself and Retreat to Coralhelm.
  4. Resolve the Gateway Plaza trigger, choosing to sacrifice it.
  5. Resolve the Retreat to Coralhelm trigger, untapping Scaretiller.
  6. Repeat.

Results

  1. Infinite blue mana.
  2. Infinite landfall triggers.
  3. Play all cards in your library without paying their mana costs.
  4. Exile your library.
  5. Cast all cards in your library without paying their mana costs.

Metadata

  1. In 6 decks according to EDHREC.
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