Wingbright Thief 
Enchantment Creature — Bird Glimmer
Flying When Wingbright Thief enters, target opponent reveals each nonland card in their hand. You choose one of them. That card perpetually gains "When you cast this spell, each opponent draws a card and gains 3 life."
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL