Color Identity: W, U

Prerequisites

  1.  
    Copy Enchantment
    Copy Enchantment
    and
    Estrid's Invocation
    Estrid's Invocation
    in hand.
  2.  
    Oblivion Ring
    Oblivion Ring
    and
    Altar of the Brood
    Altar of the Brood
    on the battlefield.
  3. ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast
    Estrid's Invocation
    Estrid's Invocation
    by paying ({2} magic symbol)  ({U} magic symbol)  .
  2. Estrid's Invocation
    Estrid's Invocation
    enters the battlefield, triggering
    Altar of the Brood
    Altar of the Brood
    and itself.
  3. Resolve the
    Altar of the Brood
    Altar
    of Brood trigger, causing each opponent to mill a card.
  4. Resolve the
    Estrid's Invocation
    Estrid's Invocation
    's trigger, becoming a copy of
    Oblivion Ring
    Oblivion Ring
    and exiling
    Oblivion Ring
    Oblivion Ring
    .
  5. Cast
    Copy Enchantment
    Copy Enchantment
    by paying ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  6. Copy Enchantment
    Copy Enchantment
    enters the battlefield, triggering
    Altar of the Brood
    Altar of the Brood
    and itself.
  7. Resolve the
    Altar of the Brood
    Altar
    of Brood trigger, causing each opponent to mill a card.
  8. Resolve the
    Copy Enchantment
    Copy Enchantment
    's trigger, becoming a copy of
    Estrid's Invocation
    Estrid's Invocation
    and exiling
    Estrid's Invocation
    Estrid's Invocation
    .
  9. Estrid's Invocation
    Estrid's Invocation
    leaves the battlefield, returning
    Oblivion Ring
    Oblivion Ring
    from exile to the battlefield.
  10. Altar of the Brood
    Altar of the Brood
    and
    Oblivion Ring
    Oblivion Ring
    triggers.
  11. Resolve the
    Altar of the Brood
    Altar
    of Brood trigger, causing each opponent to mill a card.
  12. Resolve the
    Oblivion Ring
    Oblivion Ring
    's trigger, exiling
    Copy Enchantment
    Copy Enchantment
    .
  13. Copy Enchantment
    Copy Enchantment
    leaves the battlefield, returning
    Estrid's Invocation
    Estrid's Invocation
    from exile to the battlefield.
  14. Repeat from step 2.

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite mill.

Metadata

  1. In 14 decks according to EDHREC.
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