Alaborn Veteran

Whenever this creature attacks, you may tap target creature.

Vigilance

Reach (This creature can block creatures with flying.)

When this creature blocks a creature, destroy both creatures.

Flying When this creature dies, you may shuffle it into its owner's library.

Flying When this creature enters, you gain 3 life.

Target creature gets +3/+3 and gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)