Witch-king of Angmar

At the beginning of combat on your turn, you may cast an instant or sorcery spell with mana value X or less from your hand without paying its mana cost, where X is twice the number of legendary Wizards you control.

Minas Morgul enters tapped. T: Add B. 3B, 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.)

Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard. Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. Equip 3

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.) Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn.

This enchantment enters with a hope counter on it for each creature you control. At the beginning of your end step, remove a hope counter from this enchantment. If you do, draw a card. Then if this enchantment has no hope counters on it, sacrifice it and you gain 4 life.

T, Pay 1 life: Add B or R. 1BR, T: Mount Doom deals 1 damage to each opponent. 5BR, T, Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

The Shire enters tapped unless you control a legendary creature. T: Add G. 1G, T, Tap an untapped creature you control: Create a Food token.

Rivendell enters tapped unless you control a legendary creature. T: Add U. 1U, T: Scry 2. Activate only if you control a legendary creature.