the front side of Skeleton Ship
the back of a classic MtG card
the front side of Intruder Alarm
the back of a classic MtG card
the front side of Flayer of the Hatebound
the back of a classic MtG card
the front side of Ashnod's Altar
the back of a classic MtG card

Color Identity: U, B, R

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Skeleton Ship does not have summoning sickness.
  2. Flayer of the Hatebound does not have a +1/+1 counter on it.

Steps

  1. Activate Ashnod's Altar by sacrificing Flayer of the Hatebound, adding ({C} magic symbol)  ({C} magic symbol)  .
  2. Flayer of the Hatebound dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Flayer of the Hatebound enters the battlefield, triggering itself and Intruder Alarm.
  4. Resolve the Flayer of the Hatebound trigger, dealing damage equal to its power to any target.
  5. Resolve the Intruder Alarm trigger, untapping all creatures.
  6. Activate Skeleton Ship by tapping it, putting a -1/-1 counter on Flayer of the Hatebound.
  7. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite damage.
  3. Infinite death triggers.
  4. Infinite ETB.
  5. Infinite LTB.
  6. Infinite mana creatures you control can produce.
  7. Infinite sacrifice triggers.
  8. Infinite untap of all creatures.

Metadata

  1. In 1 deck according to EDHREC.
footer