Apathy is a common Enchantment — Aura card from Weatherlight (WTH), collector number 33. Current market price: $0.23, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature doesn't untap during its controller's untap step. At the beginning of the upkeep of enchanted creature's controller, that player may discard a card at random. If the player does, untap that creature.