Enraged Warmonger

Frenzy 3, war master (When a creature is assigned to block this creature, all other creatures you control become unblockable until end of turn. When a creature is assigned to block another creature you control, this creature becomes unblockable until end of turn)

"I will crush my enemies, see them driven before me, and hear the lamentations-"
"Yeah, yeah, let's just kill'em and be done with it"
-Krogan and Ulf, balduvian warriors