The Thorn Ring

Hexproof
Equipped creature gets +2/-2
Gain control and ownership of equipped creature.
Control will not be lost when The Thorn Ring is unequipped.
Ownership will be lost if The Thorn Ring is equipped to another creature, removed from the battlefield, or when the game ends.
If creature owned this way does not have The Thorn Ring equipped at the beginning of your end step lose 6 life
Equip target creature {3}{b}
• "Kris... that's... not the thorn, is it?"