Smothering Tithe is a mythic Enchantment card from Wilds of Eldraine: Enchanting Tales (WOT), collector number 13. Current market price: $63.24 (foil $76.69), TCGplayer market prices via Scryfall.
Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")