Lulu, Wild Hollyphant 
Legendary Creature — Elephant Angel
Flying Whenever you attack with one or more other creatures with flying, those creatures get +2/+2 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL