Book of Mazarbul [The Lord of the Rings: Tales of Middle-Earth]

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

II — Amass Orcs 2.

III — Creatures you control get +1/+0 and gain menace until end of turn.