Exhume, Blasting Station, and Dualcaster Mage

Prerequisites

• Exhume in hand
• Blasting Station on the battlefield
• Dualcaster Mage in hand
• available

Steps

1. Cast Exhume by paying its mana cost Holding priority, cast Dualcaster Mage by paying its mana cost
2. When Dualcaster Mage enters, it and Blasting Station triggers, with Dualcaster Mage targeting Exhume
3. Resolve the Blasting Station trigger, untapping it
4. Holding priority, activate Blasting Station by tapping it and sacrificing Dualcaster Mage
5. Resolve the Dualcaster Mage trigger, copying Exhume Resolve the Exhume copy, returning Dualcaster Mage from your graveyard to the battlefield
6. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite magecraft triggers
• Each opponent returns all creature cards from their graveyard to the battlefield