How can you create a combo with Prowling Geistcatcher, Kiki-Jiki, Mirror Breaker, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Prowling Geistcatcher, Kiki-Jiki, Mirror Breaker, Ashnod's Altar

Color identity: BR
Mana cost: 
Steps:
  1. Activate Kiki-Jiki by tapping it, creating a token copy of Prowling Geistcatcher with haste.
  2. Activate Ashnod's Altar by sacrificing Kiki-Jiki, adding {C}{C}.
  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 Ashnod'sAltar by sacrificing the Prowling Geistcatcher token, adding {C}{C}.
  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.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Prowling Geistcatcher
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant