The Royal Scions is a mythic Legendary Planeswalker — Will Rowan card from Throne of Eldraine (ELD), collector number 199. Current market price: $0.63 (foil $0.82), TCGplayer market prices via Scryfall.
+1: Draw a card, then discard a card. +1: Target creature gets +2/+0 and gains first strike and trample until end of turn. −8: Draw four cards. When you do, The Royal Scions deals damage to any target equal to the number of cards in your hand.