Nath of the Gilt-Leaf is a rare Legendary Creature — Elf Warrior card from Commander 2016 (C16), collector number 213. Current market price: $3.10, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may have target opponent discard a card at random. Whenever an opponent discards a card, you may create a 1/1 green Elf Warrior creature token.