the front side of Yarok, the Desecrated
the back of a classic MtG card
the front side of Soul Foundry
the back of a classic MtG card
the front side of Corridor Monitor
the back of a classic MtG card
the front side of Great Whale
the back of a classic MtG card

Color Identity: B, G, U

Initial Card State

  1.  All permanents in hand.

Notable Prerequisites

  1. Panharmonicon on the battlefield.You control up to seven lands that can tap to produce at least five generic mana.

Mana Needed

  1. eight generic mana available.

Steps

  1. Cast Soul Foundry by paying four generic mana.
  2. Soul Foundry enters the battlefield, triggering its imprint ability twice, exiling Great Whale and Corridor Monitor.
  3. Activate up to seven lands you control by tapping them, adding at least five generic mana.
  4. Activate Soul Foundry by paying nine generic mana and tapping it, creating a token copy of Great Whale and Corridor Monitor.
  5. The Great Whale and Corridor Monitor tokens enter the battlefield, triggering their abilities twice.
  6. Resolve both Corridor Monitor triggers, untapping Soul Foundry.
  7. Resolve the first Great Whale trigger, untapping up to seven lands you control.
  8. Activate up to seven lands you control by tapping them, adding at least five generic mana.
  9. Resolve the second Great Whale trigger, untapping up to seven lands you control.
  10. Repeat from step 3.

Results

  1. Infinite mana permanents you control can produce.
  2. Infinite creature tokens.
  3. Infinite creature ETB.
footer