Boxing Day

At the beginning of your end step, choose an opponent. At the beginning of that player's next end step, you draw a card if they didn't attack you t...

Activated abilities of lands your opponents control can't be activated unless they're mana abilities. Sharkey, Tyrant of the Shire has all activate...

Choose an opponent. They look at the top four cards of your library and separate them into a face-down pile and a face-up pile. Put one pile into y...

Double strike Whenever a Goblin or Orc you control deals combat damage to a player, exile the top card of your library. You may play that card this...

Whenever a creature an opponent controls is dealt excess noncombat damage, amass Orcs X, where X is that excess damage. (Put X +1/+1 counters on an...

You may cast spells this turn as though they had flash. Draw a card.

Destroy all creatures with power 3 or greater. Then create a Food token for each creature you control. (It's an artifact with "{2}, {T}, Sacrifice ...

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

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

The Shire enters the battlefield tapped unless you control a legendary creature. {T}: Add {G}. {1}{G}, {T}, Tap an untapped creature you control: C...

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

When Horn of Gondor enters the battlefield, create a 1/1 white Human Soldier creature token. {3}, {T}: Create X 1/1 white Human Soldier creature to...

At the beginning of your end step, if a creature died under your control this turn, the Ring tempts you. Whenever the Ring tempts you, target oppon...

{T}, Sacrifice up to three permanents: If there were three or more card types among the sacrificed permanents, each opponent loses 3 life, you gain...

Flying Megamorph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+...

Choose target creature you control. Turn it face up if it's face down. Then it deals damage equal to its power to each other creature.

Flying Whenever you surveil, you may pay {1}{U}. If you do, create a token that's a copy of Copy Catchers.

Temple of Plenty enters the battlefield tapped. When Temple of Plenty enters the battlefield, scry 1. {T}: Add {G} or {W}.

Temple of Mystery enters the battlefield tapped. When Temple of Mystery enters the battlefield, scry 1. {T}: Add {G} or {U}.

Temple of Enlightenment enters the battlefield tapped. When Temple of Enlightenment enters the battlefield, scry 1. {T}: Add {W} or {U}.

Disguise {1}{R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Bo...

{1}, {T}: Add {G}{W}.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

{1}, {T}: Add {W}{U}.