Appa, Steadfast Guardian, Ashnod's Altar, and Last Voyage of the _____

Prerequisites

• Appa, Steadfast Guardian in the graveyard
• Ashnod's Altar on the battlefield
• Last Voyage of the _____ in hand
• available

Steps

1. Cast Last Voyage of the _____ by paying its mana cost, returning Appa from your graveyard to the battlefield with Last Voyage of the _____ attached to it
2. When Appa enters, it triggers, airbending Last Voyage of the _____
3. Last Voyage of the _____ triggers
4. Holding priority, activate Ashnod's Altar by sacrificing Appa, adding
5. Resolve the Last Voyage of the _____ ability, doing nothing
6. Cast Last Voyage of the _____ from exile by paying , returning Appa from your graveyard to the battlefield with Last Voyage of the _____ attached to it
7. Repeat from step 2

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count