Color Identity: G, U

Prerequisites

  1.  All permanents on the battlefield.
  2. Umbral Mantle
    Umbral Mantle     attached to
    Gyre Engineer
    Gyre Engineer    .
  3. Gyre Engineer
    Gyre Engineer     does not have summoning sickness.

Steps

  1. Activate
    Gyre Engineer
    Gyre Engineer     by tapping it, adding ({G} magic symbol)  ({U} magic symbol)  .
  2. Activate
    Gyre Engineer
    Gyre Engineer     by paying ({1} magic symbol)   and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.

Results

  1. Infinitely large
    Gyre Engineer
    Gyre Engineer     until end of turn.
  2. Infinite green mana.
  3. Infinite blue mana.

Metadata

  1. In 95 decks according to EDHREC.
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