Halana, Kessig Ranger + Ashnod's Altar + Overgrown Armasaur

Prerequisites

• You have a way to cause a creature to enter the battlefield under your control.
• You have a way to give Overgrown Armasaur indestructible.

Steps

1. 1Give Overgrown Armasaur indestructible, if needed.
2. 2Cause a creature to enter the battlefield under your control.
3. 3Halana triggers, causing you to pay to have that creature deal damage equal to its power to Overgrown Armasaur.
4. 4Overgrown Armasaur triggers, causing you to create a 1/1 Saproling creature token.
5. 5When the Saproling enters the battlefield, Halana triggers.
6. 6Holding priority, activate Ashnod's Altar by sacrificing the Saproling, adding .
7. 7Resolve the Halana trigger, causing you to pay to deal 1 damage to Overgrown Armasaur.
8. 8Repeat from step 4.

Effects

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