Boonweaver Giant, Goblin Bombardment, and Kaya's Ghostform

Prerequisites

• Boonweaver Giant on the battlefield
• Goblin Bombardment on the battlefield
• Kaya's Ghostform on the battlefield

Steps

1. Activate Goblin Bombardment by sacrificing Boonweaver Giant When Boonweaver Giant dies, Kaya's Ghostform triggers, returning Boonweaver Giant from your graveyard to the battlefield When Boonweaver Giant enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Boonweaver Giant
2. Resolve the Goblin Bombardment ability from step 1
3. Repeat

Results

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