Vampire's Zeal 
Instant
Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.