Xavier Sal, Infested Captain + Agatha's Soul Cauldron + Saproling Burst + 1 more
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite creature tokens, Infinite proliferate
Activate Xavier Sal's second ability by tapping it and sacrificing another creature, putting a +1/+1 counter on it and a fade counter on Saproling Burst.
Activate Saproling Burst by removing a fade counter from it, creating a Saproling creature token.
Activate Xavier Sal using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping Xavier Sal.
Repeat.
Component Cards
How It Works
Activate Xavier Sal's second ability by tapping it and sacrificing another creature, putting a +1/+1 counter on it and a fade counter on Saproling Burst.
Activate Saproling Burst by removing a fade counter from it, creating a Saproling creature token.
Activate Xavier Sal using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping Xavier Sal.
Repeat.