Yukine

Bestow {3}{w} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Reach
Enchanted creature gets +2/+2 and has reach.
Restraint {1}{b}- Target creature can't block this turn.
Borderline {1}{w}{b} - Destroy target attacking or blocking creature with power 3 or less.