Yenna, Redtooth Regent, Ashnod's Altar, Jump Scare, and Zealous Conscripts

Prerequisites

• Yenna, Redtooth Regent on the battlefield
• Ashnod's Altar on the battlefield
• Jump Scare in hand
• Zealous Conscripts on the battlefield
• available

Steps

1. Cast Jump Scare by paying , targeting Zealous Conscripts
2. Activate Yenna by paying and tapping it, creating a token copy of Zealous Conscripts
3. When the Zealous Conscripts token enters, it triggers, untapping Yenna
4. Activate Ashnod's Altar by sacrificing the Zealous Conscripts token, adding
5. Repeat from step 2

Results

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