Whisper, Blood Liturgist, Thornbite Staff, Desecrated Tomb, and Blood Artist

Prerequisites

• Whisper, Blood Liturgist on the battlefield
• Thornbite Staff on the battlefield
• Desecrated Tomb on the battlefield
• Blood Artist on the battlefield
• Thornbite Staff attached to Whisper
• Whisper does not have summoning sickness
• You control at least two other nontoken creatures
• You have a creature card in your graveyard

Steps

1. Activate Whisper by tapping it and sacrificing two other nontoken creatures
2. Blood Artist and Whisper trigger twice
3. Resolve both Blood Artist triggers, causing target player to lose 2 life and you to gain two life
4. Resolve both Whisper triggers, untapping it
5. Resolve the Whisper ability from step 1, returning target creature card from your graveyard to the battlefield
6. Desecrated Tomb triggers, creating a 1/1 Bat creature token
7. Activate Whisper by tapping it and sacrificing the Bat token and any other nontoken creature
8. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers