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 - $4.40
Lightly Played - $3.90
Played - $3.10
Heavily Played - $2.60
Damaged - $2.20
Near Mint Non-English - $4.40
Lightly Played Non-English - $3.90
Played Non-English - $3.10
Heavily Played Non-English - $2.60
Damaged Non-English - $2.20