Boneyard Scourge + Miirym, Sentinel Wyrm + Phyrexian Altar

Prerequisites

• You control at least one additional Dragon.

Steps

1. 1Activate Phyrexian Altar by sacrificing Boneyard Scourge, adding .
2. 2Activate Phyrexian Altar by sacrificing another Dragon, adding .
3. 3When the Dragon dies, Boneyard Scourge triggers, causing you to pay to return it from your graveyard to the battlefield.
4. 4When Boneyard Scourge enters the battlefield, Miirym triggers, creating a token copy of Boneyard Scourge.
5. 5Repeat.

Effects

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