Leonardo, Worldly Warrior + Phyrexian Altar + Blessed Sanctuary + God-Eternal Oketra

Prerequisites

• You control a number of creatures equal to or greater than 7 plus Leonardo's commander tax, if applicable.

Steps

1. 1Cast Leonardo either from your hand or from the command zone by paying due to its cost reduction.
2. 2God-Eternal Oketra triggers, creating a creature token.
3. 3When Leonardo enters, Genesis Chamber triggers, creating a creature token.
4. 4Activate Phyrexian Altar by sacrificing Leonardo, adding .
5. 5Put Leonardo into the command zone from your graveyard.
6. 6Repeat.

Effects

• Infinite commander casts
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count