the front side of Prowling Geistcatcher
the back of a classic MtG card
the front side of Kiki-Jiki, Mirror Breaker
the back of a classic MtG card
the front side of Phyrexian Altar
the back of a classic MtG card

Color Identity: B, R

Initial Card State

  1.  All permanents on the battlefield.

Steps

  1. Activate Kiki-Jiki by tapping it, creating a token copy of Prowling Geistcatcher with haste.
  2. Activate Phyrexian Altar by sacrificing Kiki-Jiki, adding one mana of any color.
  3. When Kiki-Jiki dies, the nontoken and token Prowling Geistcatcher's first abilities trigger.
  4. Resolve the token Prowling Geistcatcher's trigger, exiling Kiki-Jiki from your graveyard.
  5. Resolve the nontoken Prowling Geistcatcher's trigger, doing nothing.
  6. Activate Phyrexian Altar by sacrificing the Prowling Geistcatcher token, adding one mana of any color.
  7. When the token Prowling Geistcatcher dies, its second ability and the nontoken Prowling Geistcatcher's first ability triggers.
  8. Resolve the nontoken Prowling Geistcatcher trigger, putting a +1/+1 counter on it.
  9. Resolve the token Prowling Geistcatcher trigger, returning Kiki-Jiki from exile to the battlefield.
  10. Repeat.

Results

  1. Infinite +1/+1 counters on Prowling Geistcatcher.
  2. Infinite colored mana.
  3. Infinite death triggers.
  4. Infinite ETB.
  5. Infinite LTB.
  6. Infinite sacrifice triggers.

Metadata

  1. In 69 decks according to EDHREC.
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