Articuno, Bird of Ice

Flying
Mythical Flock - Other Birds you control get +1/+1. If you control a creature named Moltres, Bird of Flame and a creature named Zapdos, Bird of Lightning, other Birds you control get +2/+4 instead and have, "Whenever this creature attacks, tap target creature an opponent controls. It doesn't untap during its controller's next untap step.