Dualcaster Mage + Yahenni, Undying Partisan + Dose of Dawnglow

Prerequisites

• You have a creature card in your graveyard.

Steps

1. 1Cast Dose of Dawnglow by paying its mana cost
2. 2Holding priority, cast Dualcaster Mage by paying its mana cost.
3. 3When Dualcaster Mage enters, it triggers, targeting Dose of Dawnglow.
4. 4Holding priority, activate Yahenni by sacrificing Dualcaster Mage.
5. 5Resolve the Dualcaster Mage trigger, copying Dose of Dawnglow
6. 6Resolve the Dose of Dawnglow 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 death triggers
• Infinite magecraft triggers