Masked Blackguard 
Creature — Human Rogue
Flash (You may cast this spell any time you could cast an instant.)
: This creature gets +1/+1 until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Rogue
Flash (You may cast this spell any time you could cast an instant.)
: This creature gets +1/+1 until end of turn.