the front side of Rootha, Mercurial Artist
the back of a classic MtG card
the front side of Refuse // Cooperate
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Rootha on the battlefield.
  2.  Refuse // Cooperate in your graveyard.

Mana Needed

  1. ({4} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast an instant or sorcery spell, or wait for an opponent to cast one.
  2. Holding priority, cast Cooperate from your graveyard by paying ({2} magic symbol)  ({U} magic symbol)  , targeting the spell.
  3. Activate Rootha by paying ({2} magic symbol)   and returning it to your hand, copying Cooperate, with the copy targeting the original Cooperate.
  4. Resolve the copy of Cooperate, copying Cooperate, targeting the original Cooperate.
  5. Repeat step 4.

Results

  1. Infinite magecraft triggers.

Metadata

  1. In 138 decks according to EDHREC.
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