Equipped creature gets +1/+1 for each color among permanents you control. As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn. Equip {2}
Near Mint - $12.80
Lightly Played - $11.60
Played - $9.00
Heavily Played - $7.70
Damaged - $6.40
Near Mint Non-English - $12.80
Lightly Played Non-English - $11.60
Played Non-English - $9.00
Heavily Played Non-English - $7.70
Damaged Non-English - $6.40