Miirym, Sentinel Wyrm, Bladewing the Risen, and Shilgengar, Sire of Famine

Prerequisites

• Miirym, Sentinel Wyrm on the battlefield
• Bladewing the Risen in hand
• Shilgengar, Sire of Famine on the battlefield
• available

Steps

1. Cast Bladewing by paying
2. When Bladewing enters the battlefield, it and Miirym trigger
3. Resolve the Bladewing trigger, returning any Dragon from your graveyard to the battlefield
4. Holding priority, activate Shilgengar by sacrificing Bladewing
5. Resolve the Miirym trigger, creating a nonlegendary token copy of Bladewing
6. When the Bladewing token enters the battlefield, it triggers, returning Bladewing from your graveyard to the battlefield
7. Repeat from step 2
8. Resolve all Shilgengar abilities

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite creature tokens
• Return all Dragons from your graveyard to the battlefield
• Infinite Blood tokens