Nightshade, Gaea's Swordsmith

Gains Haste, if {r} was in the casting cost.
Gains +1/+1 (Max: 2), if {g}
was in the casting cost.
Gains flying until end of turn, if {u}
was in the casting cost.
{0} to Equip Nirvana Moon, Bloodline Katana.
{t} and pay {3} to cast Nirvana Moon,
Bloodline Katana to the battlefield.
Pay {w}{w}{b}{b}{4} to transform.