the front side of Doomsday Excruciator
the back of a classic MtG card
the front side of Phenax, God of Deception
the back of a classic MtG card

Color Identity: U, B

Initial Card State

  1.  Doomsday Excruciator in hand.
  2.  Phenax on the battlefield.

Notable Prerequisites

  1. You control at least one creature that does not have summoning sickness.

Mana Needed

  1. one black manaone black manaone black manaone black manaone black manaone black mana available.

Steps

  1. Cast Doomsday Excruciator by paying one black manaone black manaone black manaone black manaone black manaone black mana.
  2. When Doomsday Excruciator enters the battlefield, it triggers, exiling all but the bottom six cards of each library face down.
  3. Activate a creature you control by tapping it, causing an opponent to mill cards equal to the creature's toughness.
  4. Repeat step 3 as desired and/or able.

Notes

  1. If an opponent has zero cards in their library as they begin their turn, they will lose the game during their draw step due to attempting to draw from an empty library. Depending on how many creatures you have available, it is possible to cause multiple or all opponents to lose the game in this fashion.

Results

  1. Near-infinite mill.
  2. Near-infinite self-mill.
footer