Cavalier of Thorns (Promo Pack) [Core Set 2020 Promos] Journey into Nyx Prerelease Promos Gain control of that creature

Gain control of that creature until end of turn

Flashback—Sacrifice a creature

who am I to argue

" —Juruk

sacrifice it unless you sacrifice two Swamps

Cavalier of Thorns (Promo Pack) [Core Set 2020 Promos] Journey into Nyx Prerelease Promos Gain control of that creatureSet: Core Set 2020 Promos Type: Creature Elemental Knight Rarity: Mythic Cost: {2}{G}{G}{G} Reach When Cavalier of Thorns enters the battlefield, reveal the top five cards of your library. Put a land card from among them onto the battlefield and the rest into your graveyard. When Cavalier of Thorns dies, you may exile it. If you do, put another target card from your graveyard on top of your library.