Kenrith, the Returned King + Phyrexian Altar + Training Grounds + Biomancer's Familiar

Prerequisites

• You control at least one additional nontoken creature.

Steps

1. 1Activate Phyrexian Altar by sacrificing another nontoken creature, adding .
2. 2Activate Kenrith's fifth ability by paying due to Training Grounds and Biomancer's Familiar, putting the creature card onto the battlefield from your graveyard.
3. 3Repeat.

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers