Shivan Phoenix, Sneak Attack, and Phyrexian Altar

Prerequisites

• Shivan Phoenix in hand
• Sneak Attack on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Sneak Attack by paying , putting Shivan Phoenix from your hand onto the battlefield
2. Activate Phyrexian Altar by sacrificing Shivan Phoenix, adding
3. Shivan Phoenix dies, returning itself from your graveyard to your hand
4. Repeat

Results

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