Leonin Sanctifier 
Creature — Cat Cleric
Lifelink When Leonin Sanctifier enters the battlefield, choose a creature card in your hand. It perpetually gains lifelink.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL