Switchgrass Grazer is a uncommon Creature — Horse Mount card from Alchemy: Outlaws of Thunder Junction (YOTJ), collector number 14.
Haste Whenever Switchgrass Grazer attacks, it deals 1 damage to any target. If Switchgrass Grazer is saddled and a creature was dealt damage this way, that creature perpetually gains "This creature can't block" and "Damage isn't removed from this creature during cleanup steps." Saddle 1