Boxing Day

{T}, Tap an untapped permanent you control: Add one mana of any color.

Landfall — Whenever a land you control enters, you gain 1 life.

At the beginning of your end step, if you control two or more tapped creatures, you may discard your hand. If you do, draw two cards.

When this creature enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a...

When this creature enters, ask a person outside the game "Do you like Squirrels?" If they do, create a 1/1 green Squirrel creature token.

When this creature enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on this creature and it assembles a Contraption. (...

When this creature enters, create a 1/1 colorless Gnome artifact creature token.

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.) Undying (Whe...

Menace {2}, Sacrifice another creature or enchantment: Put a +1/+1 counter on Sawblade Skinripper. At the beginning of your end step, if you sacrif...

When Oji, the Exquisite Blade enters the battlefield, you gain 2 life and scry 2. Whenever you cast your second spell each turn, exile up to one ta...

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Aura spells you cast cost {1} less to cast. Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you p...

Tap an untapped creature you control: Prevent the next 1 damage that would be dealt to target creature this turn.

{2}{B}, {T}, Discard a card: Each other player loses 2 life. You gain life equal to the life lost this way.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you p...

Whenever another creature you control enters, that creature gets +3/+3 until end of turn.

This creature enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn. Madness {0} (If you discard this card, discard it into exile. Whe...

Other Barbarian creatures get +1/+1. {R}: Another target Barbarian creature gets +1/+0 until end of turn.

Protection from black At the beginning of your upkeep, sacrifice this creature unless you put a card from your graveyard on the bottom of your libr...

{T}, Sacrifice this creature: Return target artifact card from your graveyard to your hand.

When Sharae of Numbing Depths enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a...

Ward {2} As Roaming Throne enters the battlefield, choose a creature type. Roaming Throne is the chosen type in addition to its other types. If a t...