Sword of Truth and Justice 229 (Modern Horizons)

Equipped creature gets +2/+2 and has protection from white and from blue. Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Equip {2}

NM - $64.90
LP - $51.90
MP - $39.00
HP - $26.00
DMG - $13.00