Reflexes 
Enchantment — Aura
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature has first strike. (It deals combat damage before creatures without first strike.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL