Kenrith, the Returned King is a mythic Legendary Creature — Human Noble card from The List (PLST), collector number ELD-303. Current market price: $2.93, TCGplayer market prices via Scryfall.
{R}: All creatures gain trample and haste until end of turn. {1}{G}: Put a +1/+1 counter on target creature. {2}{W}: Target player gains 5 life. {3}{U}: Target player draws a card. {4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.