Color Identity: G, U

Prerequisites

  1.  
    Yavimaya, Cradle of Growth
    Yavimaya     on the battlefield.
  2.  All other cards in hand.
  3. You control at least two Islands.
  4. ({1} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Activate an Island by tapping it, adding ({U} magic symbol)  .
  2. Cast
    Sea Gate Stormcaller
    Sea Gate Stormcaller     by paying ({1} magic symbol)  ({U} magic symbol)  .
  3. Sea Gate Stormcaller
    Sea Gate Stormcaller     enters the battlefield, causing you to copy the next instant or sorcery spell you cast this turn with mana value two or less.
  4. Cast
    High Tide
    High Tide     by paying ({U} magic symbol)  .
  5. Sea Gate Stormcaller
    Sea Gate Stormcaller     triggers, copying
    High Tide
    High Tide    .
  6. Resolve both
    High Tide
    High Tide    s, adding an additional ({U} magic symbol)  ({U} magic symbol)   whenever you tap an Island for mana this turn.
  7. Activate a Forest Island by tapping it, adding ({G} magic symbol)  .
  8. High Tide
    High Tide     triggers twice, adding ({U} magic symbol)  ({U} magic symbol)  .
  9. Cast
    Snap
    Snap     by paying ({1} magic symbol)  ({U} magic symbol)  , returning
    Sea Gate Stormcaller
    Sea Gate Stormcaller     to your hand and untapping two Forest Islands you control.
  10. Activate both Forest Islands by tapping them, adding ({G} magic symbol)  ({G} magic symbol)  .
  11. High Tide
    High Tide     triggers four times, adding ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  12. Cast
    Sea Gate Stormcaller
    Sea Gate Stormcaller     by paying ({1} magic symbol)  ({U} magic symbol)  .
  13. Sea Gate Stormcaller
    Sea Gate Stormcaller     enters the battlefield, causing you to copy the next instant or sorcery spell you cast this turn with mana value two or less.
  14. Cast
    Eternal Witness
    Eternal Witness     by paying ({1} magic symbol)  ({G} magic symbol)  ({G} magic symbol)  .
  15. Eternal Witness
    Eternal Witness     enters the battlefield, returning
    Snap
    Snap     from your graveyard to your hand.
  16. Cast
    Snap
    Snap     by paying ({1} magic symbol)  ({U} magic symbol)  , targeting
    Eternal Witness
    Eternal Witness    .
  17. Sea Gate Stormcaller
    Sea Gate Stormcaller     triggers, copying
    Snap
    Snap    , with the copy targeting
    Sea Gate Stormcaller
    Sea Gate Stormcaller    .
  18. Resolve the copy of
    Snap
    Snap    , returning
    Sea Gate Stormcaller
    Sea Gate Stormcaller     to your hand and untapping two Forest Islands you control.
  19. Activate both Forest Islands by tapping them, adding ({G} magic symbol)  ({G} magic symbol)  .
  20. High Tide
    High Tide     triggers four times, adding ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  21. Resolve the original
    Snap
    Snap    , returning
    Eternal Witness
    Eternal Witness     to your hand and untapping two Forest Islands you control.
  22. Repeat from step 12.

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite magecraft triggers.
  4. Infinite mana lands you control can produce.
  5. Infinite storm count.

Metadata

  1. In 2 decks according to EDHREC.
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