Nicol Bolas is a rare Legendary Creature — Elder Dragon card from Masters 25 (A25), collector number 209. Current market price: $1.35 (foil $11.95), TCGplayer market prices via Scryfall.
Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.