Pin Collector's Booth — Black Lotus Unknown Planechase #PLA005a

Whenever you attack, create a Pin token attached to target attacking creature you control. It's an Pin Aura enchantment with enchant creature and "Enchanted creature gets +1/+1."

Whenever Chaos ensues, each opponent loses X life, where X is the total number of pins attached to you and creatures you control. (This includes pins on your backpack.)