Sharae of Numbing Depths is a uncommon Legendary Creature — Merfolk Wizard card from Wilds of Eldraine (WOE), collector number 213. Current market price: $0.25 (foil $0.35), TCGplayer market prices via Scryfall.
When Sharae enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you tap one or more untapped creatures your opponents control, draw a card. This ability triggers only once each turn.