Tyvar Kell is a mythic Legendary Planeswalker — Tyvar card from Foundations Jumpstart (J25), collector number 734. Current market price: $4.30, TCGplayer market prices via Scryfall.
Elves you control have "{T}: Add {B}." +1: Put a +1/+1 counter on up to one target Elf. Untap it. It gains deathtouch until end of turn. 0: Create a 1/1 green Elf Warrior creature token. −6: You get an emblem with "Whenever you cast an Elf spell, it gains haste until end of turn and you draw two cards."