Haste Cowards can't block Warriors. Whenever one or more Warriors you control attack a player, target creature that player controls becomes a Coward. Attacking Warriors you control get +X/+0, where X is the number of Cowards your opponents control.
Near Mint - $7.60
Lightly Played - $6.90
Played - $5.40
Heavily Played - $4.60
Damaged - $3.80
Near Mint Non-English - $7.60
Lightly Played Non-English - $6.90
Played Non-English - $5.40
Heavily Played Non-English - $4.60
Damaged Non-English - $3.80