Swift Mouse

Bestow {3}{w} (If you cast this card for is bestow cost, its an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Enchanted creature gains Bushido 1

Bushido 1 (When this blocks or becomes blocked, its gets +1/+1 until end of turn.)

"I would rather be the tail of the lion than the head
of a mouse."