the front side of Archaeomancer
the back of a classic MtG card
the front side of Erratic Portal
the back of a classic MtG card
the front side of Time Warp
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Erratic Portal on the battlefield.
  2.  Archaeomancer and Time Warp in hand.

Mana Needed

  1. six generic manaone blue manaone blue manaone blue manaone blue mana each turn available.

Steps

  1. Cast Time Warp by paying three generic manaone blue manaone blue mana, taking an extra turn after this one.
  2. Cast Archaeomancer by paying two generic manaone blue manaone blue mana.
  3. Archaeomancer enters the battlefield, returning Time Warp to your hand.
  4. Activate Erratic Portal by paying one generic mana and tapping it, returning Archaeomancer to your hand.
  5. Move to your next turn.
  6. Repeat.

Results

  1. Infinite turns.
footer