Goblin Bombardment + Dualcaster Mage + Black Sun's Twilight

Prerequisites

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Steps

1. 1Cast Black Sun's Twilight by paying
2. 2Holding priority, cast Dualcaster Mage by paying its mana cost.
3. 3When Dualcaster Mage enters, it triggers, targeting Black Sun's Twilight.
4. 4Holding priority, activate Goblin Bombardment by sacrificing Dualcaster Mage.
5. 5Resolve the Dualcaster Mage trigger, copying Black Sun's Twilight
6. 6Resolve the Black Sun's Twilight copy, returning Dualcaster Mage from your graveyard to the battlefield.
7. 7Repeat from step 3.

Effects

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