Yenna, Redtooth Regent + Siona, Captain of the Pyleas + Ashnod's Altar

Prerequisites

• You have at least one Aura on the battlefield attached to a creature you control.
• Yenna does not have summoning sickness.
• You control at least one additional creature excluding the creature that has the Aura attached to it.

Steps

1. 1Activate Yenna by paying and tapping it, creating a token copy of any Aura you control attached to any other creature you control, then causing you to untap Yenna and scry 2.
2. 2Siona's second ability triggers, creating a 1/1 Human Soldier creature token.
3. 3Activate Ashnod's Altar by sacrificing the creature that has the Aura token attached to it, adding .
4. 4Repeat.

Effects

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