Conqueror's Flail 53 (Commander 2016)

Equipped creature gets +1/+1 for each color among permanents you control. As long as this Equipment is attached to a creature, your opponents can't cast spells during your turn. Equip {2}

NM - $3.60
LP - $2.90
MP - $2.20
HP - $1.50
DMG - $1.50