Blasting Station + Dualcaster Mage + Lively Dirge

Prerequisites

• There's a creature card in your graveyard with mana value 4 or less.

Steps

1. 1Cast Lively Dirge by paying plus an additional to select its second mode, targeting a card in your graveyard.
2. 2Holding priority, cast Dualcaster Mage by paying its mana cost.
3. 3When Dualcaster Mage enters, it and Blasting Station trigger, with Dualcaster Mage targeting Lively Dirge.
4. 4Resolve the Blasting Station trigger, untapping it.
5. 5Holding priority, activate Blasting Station by tapping it and sacrificing Dualcaster Mage.
6. 6Resolve the Dualcaster Mage trigger, copying Lively Dirge
7. 7Resolve the Lively Dirge copy, returning Dualcaster Mage from your graveyard to the battlefield.
8. 8Repeat from step 3.

Effects

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control