Emmara, Soul of the Accord, Thornbite Staff, and Ashnod's Altar

Prerequisites

• Emmara, Soul of the Accord on the battlefield
• Thornbite Staff on the battlefield
• Ashnod's Altar on the battlefield
• Thornbite attached to Emmara
• available

Steps

1. Pay and tap Emmara to use the ability given by Thornbite Staff, then choose any target and deal one damage to it
2. When Emmara is tapped she creates a 1/1 white Soldier token with lifelink
3. Sacrifice the token using Ashnod's Altar
4. This will create as well as trigger Thornbite Staff to untap Emmara
5. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers