the front side of Kenrith, the Returned King
the back of a classic MtG card
the front side of Archaeomancer
the back of a classic MtG card
the front side of Time Warp
the back of a classic MtG card
the front side of Ashnod's Altar
the back of a classic MtG card

Color Identity: W, U, B, R, G

Initial Card State

  1.  Time Warp in your graveyard.
  2.  All permanents on the battlefield.

Mana Needed

  1. five generic manaone blue manaone blue manaone black mana each turn available.

Steps

  1. Activate Ashnod's Altar by sacrificing Archaeomancer, adding one colorless manaone colorless mana.
  2. Activate Kenrith's last ability by paying four generic manaone black mana, returning Archaeomancer from your graveyard to the battlefield.
  3. Archaeomancer enters the battlefield, returning Time Warp from your graveyard to your hand.
  4. Cast Time Warp by paying three generic manaone blue manaone blue mana, causing you to take an extra turn after this one.
  5. Repeat.

Results

  1. Infinite turns.
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