Ebony Fly enters the battlefield tapped. : Add . : Roll a d6. Until end of turn, you may have Ebony Fly become an X/X Insect artifact creature with flying (This creature can't be blocked except by creatures with flying or reach.), where X is the result. Whenever Ebony Fly attacks, another target attacking creature gains flying (This creature can't be blocked except by creatures with flying or reach.) until end of turn.