Sword of the Monster Slayer

Living Weapon(When this Equipment enters the battlefield, put a 0/0 colorless Ally Spirit creature
token onto the battlefield, then attach this to it.)
Equipped creature has +1/+3, "Ally creatures
you control can't be blocked by creatures with
power 4 or less, when this creature deals combat
damage to a player draw one then discard one,"
and protection from green or blue.
Equip {2}