Boxing Day

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose th...

Sacrifice Seal of Primordium: Destroy target artifact or enchantment.

Each Sliver card in each player's hand has slivercycling {3}. Slivercycling {3} ({3}, Discard this card: Search your library for a Sliver card, rev...

When Leveler enters the battlefield, exile all cards from your library.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless R...

Scry 2, then draw two cards. You lose 2 life.

Enchant creature Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the li...

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) When Yavimaya Dryad enters the battlefield, you may sea...

At the beginning of your upkeep, put a spore counter on Sporoloth Ancient. Creatures you control have "Remove two spore counters from this creatur...

At the beginning of your upkeep, put a spore counter on each Fungus you control. Remove three spore counters from Sporesower Thallid: Create a 1/1 ...

Orcish Cannonade deals 2 damage to any target and 3 damage to you. Draw a card.

You draw X cards and you lose X life, where X is the number of creatures you control.

Counter target spell that targets a permanent you control.

Exile Simian Spirit Guide from your hand: Add {R}.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Stronghold Rats deals combat damage to a player, each player...

Destroy target nonblack creature. At the beginning of your next upkeep, pay {2}{B}. If you don't, you lose the game.

Haste Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever another creature is put into your graveyard from the b...

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

{G}, {T}, Discard a card: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.

{1}{R}, Remove a time counter from a permanent you control or suspended card you own: Rift Elemental gets +2/+0 until end of turn.

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...