Barad-dûr enters tapped unless you control a legendary creature. {T}: Add {B}. {X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.

Minas Morgul enters tapped. {T}: Add {B}. {3}{B}, {T}: Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

Ward—Sacrifice a legendary artifact or legendary creature. Whenever an opponent casts a spell, amass Orcs 1. Whenever an Army you control deals combat damage to a player, the Ring tempts you. Whenever the Ring tempts you, you may discard your hand. If you do, draw four cards.

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}