the front side of Sprout Swarm
the back of a classic MtG card
the front side of Mana Echoes
the back of a classic MtG card

Color Identity: R, G

Initial Card State

  1.  Sprout Swarm in hand.
  2.  Mana Echoes on the battlefield.

Notable Prerequisites

  1. You control at least three Saprolings.

Mana Needed

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

Steps

  1. Cast Sprout Swarm, paying ({3} magic symbol)   for the buyback.
  2. Mana Echoes triggers as the Saproling token ETBs, adding colorless mana equal to the number of Saprolings you control.
  3. Spend the mana to cast Sprout Swarm again, convoking the new Saproling token to pay the colored mana cost.

Results

  1. Infinite colorless mana.
  2. Infinite tapped creature tokens.

Metadata

  1. In 80 decks according to EDHREC.
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