Ashnod the Uncaring, Whisper, Blood Liturgist, and Bounding Krasis

Prerequisites

• Ashnod the Uncaring on the battlefield
• Whisper, Blood Liturgist on the battlefield
• Bounding Krasis on the battlefield

Steps

1. Activate Whisper by tapping it, sacrificing Bounding Krasis and any other creature you control, targeting any other creature card in your graveyard
2. Ashnod the Uncaring triggers, copying Whisper's ability, targeting Bounding Krasis
3. Resolve the copy of Whisper's ability, returning Bounding Krasis from your graveyard to the battlefield
4. When Bounding Krasis enters the battlefield, it triggers, untapping Whisper
5. Resolve the original Whisper ability, returning the targeted creature from your graveyard to the battlefield
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite recursion of creature cards in your graveyard