Vesperlark, Robo-Piñata, and Ashnod's Altar

Prerequisites

• Vesperlark on the battlefield
• Robo-Piñata on the battlefield
• Ashnod's Altar on the battlefield
• undefined

Steps

1. Sacrifice Robo-Piñata to Ashnod's Altar, adding
2. Robo-Piñata triggers, paying to put a sticker with power 1 or less onto Vesperlark
3. Sacrfice Vesperlark to Ashnod's Altar, adding
4. Vesperlark triggers, returning itself from your graveyard to the battlefield
5. Repeat from step 3

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers