Color Identity: U

Prerequisites

  1.  
    High Tide
    High Tide     in hand.
  2.  All permanents on the battlefield.
  3. You control at least two Islands.
  4. ({U} magic symbol)   available.

Steps

  1. Cast
    High Tide
    High Tide     by paying ({U} magic symbol)  , causing all Islands to add an additional ({U} magic symbol)   when they are tapped for mana this turn.
  2. Activate two Islands you control by tapping them, adding ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  3. Activate
    Candelabra of Tawnos
    Candelabra of Tawnos     by paying ({2} magic symbol)   and tapping it.
  4. Rings of Brighthearth
    Rings of Brighthearth     triggers, causing you to pay ({2} magic symbol)   to copy
    Candelabra of Tawnos
    Candelabra of Tawnos    ' ability.
  5. Resolve the first
    Candelabra of Tawnos
    Candelabra of Tawnos     ability, untapping the two Islands.
  6. Activate two Islands you control by tapping them, adding ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  7. Resolve the second
    Candelabra of Tawnos
    Candelabra of Tawnos     ability, untapping the two Islands.
  8. Activate
    Galvanic Key
    Galvanic Key     by paying ({3} magic symbol)   and tapping it.
  9. Rings of Brighthearth
    Rings of Brighthearth     triggers, causing you to pay ({2} magic symbol)   to copy
    Galvanic Key
    Galvanic Key    's ability.
  10. Resolve both
    Galvanic Key
    Galvanic Key     abilities, untapping
    Galvanic Key
    Galvanic Key     and
    Candelabra of Tawnos
    Candelabra of Tawnos    .
  11. Repeat from step 2.

Results

  1. Infinite mana artifacts you control can produce.
  2. Infinite mana lands you control can produce.
  3. Infinite untap of artifacts you control.
  4. Infinite untap of lands you control.

Metadata

  1. In 2 decks according to EDHREC.
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