Card name

Claim the Firstborn

Mana cost

{R}

Mana value

1

Type

Sorcery

Rarity

uncommon

Set

Strixhaven Mystical Archive (STA)

Collector number

37

Artist

Anato Finnstark

Official rulings

2019-10-04 Claim the Firstborn can target any creature with mana value 3 or less, even one that's untapped or one you already control.

2019-10-04 If a creature on the battlefield has {X} in its mana cost, X is considered to be 0.

2019-10-04 Gaining control of a creature doesn't cause you to gain control of any Auras or Equipment attached to it.