Atraxa, Mirran Champion

Sunburst
{w}{u}{b}{r}{g}: Atraxa, Mirran Champion gets flying, vigilance, trample, first strike, and lifelink until end of turn. Double the number of +1/+1 counters on her. Activate this ability only once per turn.
Mirrodan's champion against the compeation of New Phyrexia, the stories say she slew each of the praetors singlehandedly.