Serju, Shroud of Terror

Bestow {3}{b}{b}{b}, Intimidate, Menace
Enchanted creature gets +2/+1 and has intimidate and menace.
Bloodrush - {1}{b}, Discard Serju, Shroud of Terror: Target attacking creature gets +2/+1 and gains intimidate and menace until end of turn.
When an opponent takes combat damage from a creature you control with either intimidate or menace, you may pay {b}{b}. If you do return Serju from your graveyard to your hand.