Color Identity: G, U

Prerequisites

  1.  
    Exchange of Words
    Exchange of Words     in hand.
  2.  
    Devoted Druid
    Devoted Druid     and
    Lair of the Hydra
    Lair of the Hydra     on the battlefield.
  3. Lair of the Hydra
    Lair of the Hydra     does not have summoning sickness.
  4. ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({G} magic symbol)   available.

Steps

  1. Activate
    Lair of the Hydra
    Lair of the Hydra    's last ability by paying ({1} magic symbol)  ({G} magic symbol)  , making it a 1/1 land creature until end of turn.
  2. Cast
    Exchange of Words
    Exchange of Words     by paying ({1} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  3. Exchange of Words
    Exchange of Words     enters the battlefield, exchanging the text boxes of
    Devoted Druid
    Devoted Druid     and
    Lair of the Hydra
    Lair of the Hydra    .
  4. As the turn ends,
    Lair of the Hydra
    Lair of the Hydra     stops being a creature.
  5. On your opponent's upkeep, activate
    Lair of the Hydra
    Lair of the Hydra     using
    Devoted Druid
    Devoted Druid    's first ability by tapping it, adding ({G} magic symbol)  .
  6. Activate
    Lair of the Hydra
    Lair of the Hydra     using
    Devoted Druid
    Devoted Druid    's last ability, putting a -1/-1 counter on it and untapping it.
  7. Repeat from step 5.

Results

  1. Infinite green mana.
  2. Infinitely large creature.

Metadata

  1. In 8 decks according to EDHREC.
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