Agatha's Soul Cauldron + Kiki-Jiki, Mirror Breaker + Combine Guildmage
Infinite creature tokens with haste, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers
Activate Combine Guildmage's first ability by paying and tapping it, causing each creature you control to enter the battlefield with an additional +1/+1 counter on it this turn.
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 creature you control with haste that enters the battlefield with at least one +1/+1 counter on it due to Combine Guildmage.
Repeat step 2.
Component Cards
How It Works
Activate Combine Guildmage's first ability by paying and tapping it, causing each creature you control to enter the battlefield with an additional +1/+1 counter on it this turn.
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 creature you control with haste that enters the battlefield with at least one +1/+1 counter on it due to Combine Guildmage.
Repeat step 2.