Stuv, the Peacekeeper

Opponents may have you assign your creatures as blockers in addition to their own.
Whenever a creature you control blocks a creature attacking an opponent draw a card.
{w}:Target creature opponent controls gains lifelink until the end of the turn. {u}:Target creature opponent controls gains vigilance until the end of the turn. {b}:Target creature opponent controls gains deathtouch until the end of the turn. {r}:Target creature opponent controls gains first strike until the end of the turn. {g}:Target cr