Unusual

Gain X life, where X is equal to three times the number of legendary creatures you control. If
you gain 15 or more life this way, legendary creatures you control have first strike, trample, vigilance, and indestructible until end of turn.
What's up with all these shades of gray? The difference should be night and day! I call you brave, unique and set apart. A masterpiece, a work of art.