Color Identity: U

Prerequisites

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

Steps

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

Results

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

Metadata

  1. In 9 decks according to EDHREC.
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