Color Identity: G, W, U

Prerequisites

  1.  
    Teferi, Who Slows the Sunset
    Teferi
    in hand.
  2.  
    The Sixth Doctor
    The Sixth Doctor
    and
    Romana II
    Romana II
    on the battlefield.
  3. Romana II
    Romana II
    does not have summoning sickness.
  4. You control a mana-producing land and/or artifact.
  5. ({2} magic symbol)  ({W} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast
    Teferi, Who Slows the Sunset
    Teferi
    by paying ({2} magic symbol)  ({W} magic symbol)  ({U} magic symbol)  .
  2. The Sixth Doctor
    The Sixth Doctor
    triggers, copying the
    Teferi, Who Slows the Sunset
    Teferi
    spell, with the copy being nonlegendary.
  3. Resolve both
    Teferi, Who Slows the Sunset
    Teferi
    spells.
  4. Activate a mana-producing land or artifact by tapping it, adding at least ({1} magic symbol)  .
  5. Activate
    Romana II
    Romana II
    by paying ({1} magic symbol)   and tapping it, creating a copy of the
    Teferi, Who Slows the Sunset
    Teferi
    token.
  6. Activate a
    Teferi, Who Slows the Sunset
    Teferi
    token's first loyalty ability by putting a loyalty counter on it, untapping
    Romana II
    Romana II
    , the mana-producing land or artifact and up to one other land or artifact, and causing you to gain 2 life.
  7. Repeat from step 4.

Results

  1. Infinite lifegain.
  2. Infinite lifegain triggers.
  3. Infinite mana artifacts you control can produce.
  4. Infinite mana lands you control can produce.
  5. Infinite
    Teferi, Who Slows the Sunset
    Teferi, Who Slows the Sunset
    tokens.
  6. Infinite untap of artifacts you control.
  7. Infinite untap of lands you control.

Metadata

  1. In 87 decks according to EDHREC.
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