Goblin Bombardment, Dualcaster Mage, and Zombify

Prerequisites

• Goblin Bombardment on the battlefield
• Dualcaster Mage in hand
• Zombify in hand
• available

Steps

1. Cast Zombify by paying its mana cost
2. Holding priority, cast Dualcaster Mage by paying its mana cost
3. When Dualcaster Mage enters, it triggers, targeting Zombify
4. Holding priority, activate Goblin Bombardment by sacrificing Dualcaster Mage, dealing 1 damage to any target
5. Resolve the Dualcaster Mage trigger, copying Zombify Resolve the Zombify copy, returning Dualcaster Mage from your graveyard to the battlefield
6. Repeat from step 3

Results

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