the front side of Preston, the Vanisher
the back of a classic MtG card
the front side of Karmic Guide
the back of a classic MtG card
the front side of Glasspool Mimic // Glasspool Shore
the back side of Glasspool Mimic // Glasspool Shore

Color Identity: W, U

Initial Card State

  1.  Karmic Guide in hand.
  2.  Preston on the battlefield.
  3.  Glasspool Mimic // Glasspool Shore in your graveyard.

Mana Needed

  1. ({3} magic symbol)  ({W} magic symbol)  ({W} magic symbol)   available.

Steps

  1. Cast Karmic Guide by paying ({3} magic symbol)  ({W} magic symbol)  ({W} magic symbol)  .
  2. When Karmic Guide enters the battlefield, it triggers, returning Glasspool Mimic to the battlefield from your graveyard.
  3. Choose not to have Glasspool Mimic copy anything as it enters the battlefield.
  4. Glasspool Mimic dies as a state-based action due to having zero toughness.
  5. Preston triggers, creating a copy of Glasspool Mimic that is a 0/1 Illusion.
  6. Choose to have the Glasspool Mimic token enter the battlefield as a copy of Karmic Guide.
  7. When the Glasspool Mimic token enters the battlefield, it triggers, returning the nontoken Glasspool Mimic to the battlefield from your graveyard.
  8. Repeat from step 3.

Results

  1. Infinite creature tokens.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.

Metadata

  1. In 418 decks according to EDHREC.
footer