Meira, the Iron Flame

Indestructible
Meira, the Iron Flame isn't a creature as long as you control less than five artifacts.
{3}{w}{b}{r}: Artifact creatures you control get +2/+2 and gain lifelink, deathtouch, and haste until end of turn.
{x}{w}{b}{r}: Create an X/X colorless Juggernaut artifact creature token.