the front side of Encroaching Mycosynth
the back of a classic MtG card
the front side of Efficient Construction
the back of a classic MtG card
the front side of Phyrexian Altar
the back of a classic MtG card
the front side of Shrieking Drake
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Shrieking Drake in hand.
  2.  All other permanents on the battlefield.

Mana Needed

  1. ({U} magic symbol)   available.

Steps

  1. Cast Shrieking Drake by paying ({U} magic symbol)  .
  2. Efficient Construction triggers, creating a 1/1 Thopter artifact creature token.
  3. Activate Phyrexian Altar by sacrificing a Thopter, adding ({U} magic symbol)  .
  4. Shrieking Drake enters the battlefield, returning itself to its owner's hand.
  5. Repeat.

Results

  1. Infinite death triggers.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite sacrifice triggers.
  5. Infinite storm count.

Metadata

  1. In 0 decks according to EDHREC.
footer