Ashnod the Uncaring, Whisper, Blood Liturgist, and Sky Hussar

Prerequisites

• Ashnod the Uncaring on the battlefield
• Whisper, Blood Liturgist on the battlefield
• Sky Hussar on the battlefield
• You control at least one additional nontoken creature
• You have at least one creature card in your graveyard
• Whisper does not have summoning sickness

Steps

1. Activate Whisper by tapping it, sacrificing Sky Hussar and any other creature you control, targeting any other creature card in your graveyard
2. Ashnod the Uncaring triggers, copying Whisper's ability, targeting Sky Hussar
3. Resolve the copy of Whisper's ability, returning Sky Hussar from your graveyard to the battlefield
4. When Sky Hussar enters the battlefield, it triggers, untapping all creatures you control
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 graveyard recursion
• Infinite LTB
• Infinite sacrifice triggers
• Infinite untap of creatures you control except Whisper
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce