Grumgully, the Generous, Agatha's Soul Cauldron, and Kiki-Jiki, Mirror Breaker

Prerequisites

• Grumgully, the Generous on the battlefield
• Agatha's Soul Cauldron on the battlefield
• Kiki-Jiki, Mirror Breaker in exile
• You control at least one nonlegendary non-Human creature
• You control at least one creature that has at least one +1/+1 counter on it and that does not have summoning sickness

Steps

1. Activate a creature you control with a +1/+1 counter on it using Kiki-Jiki's ability by tapping it, creating a token copy of any nonlegendary non-Human creature you control with haste that enters the battlefield with a +1/+1 counter on it due to Grumgully
2. Repeat

Results

• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers