Zodiac Dragon, Sneak Attack, and Phyrexian Altar

Prerequisites

• Zodiac Dragon in hand
• Sneak Attack on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

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

Results

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