the front side of Marath, Will of the Wild
the back of a classic MtG card
the front side of Food Chain
the back of a classic MtG card
the front side of Mana Echoes
the back of a classic MtG card

Color Identity: R, G, W

Initial Card State

  1.  Marath in the command zone.
  2.  Food Chain and Mana Echoes on the battlefield.
  3.  Marath must be your commander.

Mana Needed

  1. one red manaone green manaone white mana plus enough mana to pay for commander tax, if applicable available.

Steps

  1. Cast Marath by paying one red manaone green manaone white mana plus commander tax, if applicable, causing it to enter the battlefield with a +1/+1 counter on it for each mana spent to cast it.
  2. When Marath enters the battlefield, Mana Echoes triggers, adding one colorless mana for each Elemental and/or Beast you control.
  3. Activate Marath by paying one generic mana and removing a +1/+1 counter from it, creating a 1/1 Elemental creature token.
  4. When the Elemental enters the battlefield, Mana Echoes triggers, adding one colorless mana for each Elemental you control.
  5. Repeat from step 3 until Marath has one +1/+1 counter on it.
  6. Activate Food Chain by exiling Marath, adding one red manaone red manaone red manaone red mana that can only be spent to cast creature spells.
  7. Choose to return Marath to the command zone from exile.
  8. Activate Food Chain twice by exiling two Elemental tokens, adding one green manaone white mana that can only be spent to cast creature spells.
  9. Repeat.
  10. Once you have infinite mana, you may cast Marath for an arbitrarily large number of mana, and use its ability to put infinite +1/+1 counters on creatures you control and/or deal infinite damage to any target(s).

Results

  1. Infinite colored mana that can only be spent to cast creature spells.
  2. Infinite colorless mana.
  3. Infinite commander casts.
  4. Infinite creature tokens.
  5. Infinite damage.
  6. Infinite death triggers.
  7. Infinite creature ETB.
  8. Infinite creature LTB.
  9. Infinite storm count.
  10. Infinite creature tokens that are infinitely large.
  11. Infinite +1/+1 counters on creatures you control.
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