Mystic Dagger

Equipped creature gets +2/+2 and when it attacks it gets +1/+0.
{t}{2}, create a 2/2 Blue Red Soldier Token
with Vigilance, equip Mystic dagger to it.
{t}, Equipped creature gets a +1/+1 token
Equip-{t}{1}
The greatest weapon is sometimes the hand that wields it, but more times it is the weapon wielded