Undead Warchief [Mystery Booster] Nightmare Set: Core Set 2020 Prerelease

Set: Core Set 2020 Prerelease Promos Type: Legendary Creature — Angel Rarity: Rare Cost: {4}{W}{W}{W} You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost

−7: You control target player during that player's next turn

also create X 4/4 white Angel creature tokens with flying and vigilance

As Steam Vents enters the battlefield

Ulvenwald Hydra's power and toughness are each equal to the number of lands you control

Undead Warchief [Mystery Booster] Nightmare Set: Core Set 2020 PrereleaseSet: Mystery Booster Type: Creature Zombie Rarity: Rare Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast. Zombie creatures you control get +2 +1. It has the strength of seven men. In fact, it used to be seven men.