Miirym, Sentinel Wyrm, Bladewing the Risen, and Goblin Bombardment

Prerequisites

• Miirym, Sentinel Wyrm on the battlefield
• Bladewing the Risen in hand
• Goblin Bombardment 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. Activate Goblin Bombardment by sacrificing Bladewing, dealing 1 damage to any target
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

Results

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