Prowling Geistcatcher, Kiki-Jiki, Mirror Breaker, and Blasting Station

Prerequisites

• Prowling Geistcatcher on the battlefield
• Kiki-Jiki, Mirror Breaker on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Prowling Geistcatcher with haste
2. When the token Prowling Geistcatcher enters the battlefield, Blasting Station triggers
3. Holding priority, activate Blasting Station by tapping it and sacrificing Kiki-Jiki
4. When Kiki-Jiki dies, the nontoken and token Prowling Geistcatcher's first abilities trigger
5. Resolve the token Prowling Geistcatcher's trigger, exiling Kiki-Jiki from your graveyard
6. Resolve the nontoken Prowling Geistcatcher's trigger, doing nothing
7. Resolve the Blasting Station ability from step 3, dealing 1 damage to any target
8. Resolve the Blasting Station trigger from step 2, untapping it
9. Activate Blasting Station by tapping it and sacrificing the Prowling Geistcatcher token
10. When the token Prowling Geistcatcher dies, its second ability and the nontoken Prowling Geistcatcher's first ability triggers
11. Resolve the nontoken Prowling Geistcatcher trigger, putting a +1/+1 counter on it
12. Resolve the token Prowling Geistcatcher trigger, returning Kiki-Jiki from exile to the battlefield
13. When Kiki-Jiki enters the battlefield, Blasting Station triggers, untapping Blasting Station
14. Resolve the Blasting Station ability from step 9, dealing 1 damage to any target
15. Repeat

Results

• Infinite +1/+1 counters on Prowling Geistcatcher
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers