Color Identity: U, B

Prerequisites

  1.  
    Great Whale
    Great Whale     in hand.
  2.  
    Satoru Umezawa
    Satoru Umezawa     and
    Covert Technician
    Covert Technician     on the battlefield.
  3. Covert Technician
    Covert Technician     does not have summoning sickness and cannot be blocked by an opponent.
  4. You control up to seven lands that can tap to produce at least ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  .

Steps

  1. Declare
    Covert Technician
    Covert Technician     as an attacker.
  2. When it isn't blocked, activate up to seven lands you control by tapping them, adding at least ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  .
  3. Activate
    Great Whale
    Great Whale    's ninjutsu ability by paying ({2} magic symbol)  ({U} magic symbol)  ({B} magic symbol)   and returning
    Covert Technician
    Covert Technician     from the battlefield to your hand, putting
    Great Whale
    Great Whale     onto the battlefield from your hand tapped and attacking.
  4. When
    Great Whale
    Great Whale     enters the battlefield, it triggers, untapping up to seven lands.
  5. Activate
    Covert Technician
    Covert Technician    's ninjutsu ability by paying ({1} magic symbol)  ({U} magic symbol)   and returning
    Great Whale
    Great Whale     from the battlefield to your hand, putting
    Covert Technician
    Covert Technician     onto the battlefield from your hand tapped and attacking.
  6. Repeat from step 2.
  7. If you control up to seven lands that can tap to produce at least ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  , this combo nets infinite mana.

Results

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

Metadata

  1. In 110 decks according to EDHREC.
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