Attrition

Haste, Shroud, Indesctructible
Attrition can't block and can't be sacrificed. Creatures blocking Attrition lose all abilities.
All creatures have Vigilance.
Attrition must be blocked if able. Attrition can't
be blocked by token creatures. If Attrition were
to deal damage to a player, prevent it. If Attrition attacks and isn't blocked, exile it.