Leovold, Emissary of Trest is a mythic Legendary Creature — Elf Advisor card from Ultimate Masters (UMA), collector number 202. Current market price: $2.75 (foil $25.26), TCGplayer market prices via Scryfall.
Each opponent can't draw more than one card each turn. Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card.