Kiki-Jiki, Mirror Breaker + Felidar Guardian

Kiki-Jiki, Mirror Breaker
Felidar Guardian

Requires
All permanents on the battlefield.
Steps
  1. Activate Kiki-Jiki by tapping it, creating a token copy of Felidar Guardian
  2. The Felidar Guardian token enters the battlefield, blinking Kiki-Jiki
  3. Repeat
Results
Infinite creature tokens with haste. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite death triggers.