Doctor Who

Enchantment — Aura

Enchant artifact or land
Enchanted permanent has "{T}: Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the bottom in a random order.)

Bigger on the Inside

Mutant

The Curse of Fenric

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — For each player, destroy up to one target creature that player controls. For each creature destroyed this way, its controller creates a 3/3 green Mutant creature token with deathtouch.
II — Target nontoken creature becomes a 6/6 legendary Horror creature named Fenric and loses all abilities.
III — Target Mutant fights another target creature named Fenric.

Clue

Sally Sparrow

Legendary Creature — Human Detective

You may cast creature spells as though they had flash.
Whenever one or more other creatures you control leave the battlefield, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Artifact — Book

Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves.
At the beginning of your upkeep, if there are four or more cards exiled with this artifact, choose one of them at random. You may cast it without paying its mana cost.

River Song's Diary

Artifact

{T}: Add {C}.
{T}: Add {R} or {W}. This artifact deals 1 damage to you.

Talisman of Conviction

{T}: Add {C}.
{T}: Add {G} or {U}. This artifact deals 1 damage to you.

Talisman of Curiosity

Card

Took Reaper

Tales of Middle-earth Art Series

Tales of Middle-earth Front Cards

Mortals

The Lord of the Rings: Tales of Middle-earth

The Ring // The Ring Tempts You

Creature — Halfling Peasant

When this creature dies, the Ring tempts you.

Tales of Middle-earth Promos

Spirit

Legendary Creature — Spirit Noble

Flying
Whenever King of the Oathbreakers or another Spirit you control becomes the target of a spell, it phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)
Whenever King of the Oathbreakers or another Spirit you control phases in, create a tapped 1/1 white Spirit creature token with flying.

King of the Oathbreakers

Orc Army

Legendary Creature — Orc Soldier

Whenever Shagrat attacks, attach up to one target Equipment to it. Then amass Orcs X, where X is the number of Equipment attached to Shagrat. (Control of the Equipment doesn't change. To amass Orcs X, put X +1/+1 counters 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.)

Shagrat, Loot Bearer

Legendary Artifact

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

Palantír of Orthanc

Sorcery

Gandalf's Sanction deals X damage to target creature, where X is the number of instant and sorcery cards in your graveyard. Excess damage is dealt to that creature's controller instead.

Gandalf's Sanction

Tales of Middle-earth Commander

{T}: Add {C}.
{T}: Add {W} or {U}. This artifact deals 1 damage to you.