Jaxis, the Troublemaker, Umbral Mantle, Ashnod's Altar, and Priest of Urabrask

Prerequisites

• Jaxis, the Troublemaker on the battlefield
• Umbral Mantle on the battlefield
• Ashnod's Altar on the battlefield
• Priest of Urabrask in hand
• undefined available

Steps

1. Activate Jaxis by paying , tapping it and discarding a card, creating a token copy of Priest of Urabrask with haste
2. When Priest of Urabrask enters the battlefield, it triggers, adding
3. Activate Ashnod's Altar by sacrificing the Priest of Urabrask token, adding
4. When the Priest of Urabrask token dies, it triggers, causing you to draw a card
5. Activate Jaxis by paying and untapping it, giving it +2/+2 until end of turn
6. Repeat

Results

• Near-infinite ETB
• Infinite draw triggers
• Near-infinite LTB
• Infinite rummaging
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Near-infinite colorless mana
• Near-infinite red mana