Stalwart Successor, Goblin Bombardment, and Safehold Elite

Prerequisites

• Stalwart Successor on the battlefield
• Goblin Bombardment on the battlefield
• Safehold Elite on the battlefield

Steps

1. Activate Goblin Bombardment by sacrificing Safehold Elite When Safehold Elite dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Safehold Elite enters, Stalwart Successor triggers, putting a +1/+1 counter on Safehold Elite Resolve the Goblin Bombardment ability
3. Repeat

Results

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