Reveillark, Robo-Piñata, and Ashnod's Altar

Prerequisites

• Reveillark on the battlefield
• Robo-Piñata on the battlefield
• Ashnod's Altar on the battlefield
• At least eight of your ten sticker sheets have a sticker with power 2 or less
• At least available

Steps

1. Sacrifice Robo-Piñata to Ashnod's Altar, adding
2. Robo-Piñata triggers, paying to put a sticker with power 2 or less onto Reveillark
3. Sacrfice Reveillark to Ashnod's Altar, adding
4. Reveillark triggers, returning Reveillark and any other valid target to the battlefield
5. Sacrifice both returned creatures to Ashnod's Altar, adding
6. Repeat from step 4

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Return all creatures with power 2 or less from your graveyard to the battlefield