Yenna, Redtooth Regent + Ajani's Chosen + 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.

Steps

1. 1Activate Yenna by paying and tapping it, creating a token copy of any Aura you control attached to any creature you control, then causing you to untap Yenna and scry 2.
2. 2Ajani's Chosen triggers, creating a 2/2 Cat creature token, then attaching the Aura token to the Cat.
3. 3Activate Ashnod's Altar by sacrificing the Cat, adding .
4. 4Repeat.

Effects

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