Yenna, Redtooth Regent + Ashnod's Altar + Jump Scare + Bounding Krasis

Prerequisites

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Steps

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

Effects

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