Boxing Day

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

{B}, {T}, Discard a card: Add {B}{B}{B}.

Flying Whenever Phyrexian Slayer becomes blocked by a white creature, destroy that creature. It can't be regenerated.

Whenever Phyrexian Reaper becomes blocked by a green creature, destroy that creature. It can't be regenerated.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land.

Whenever Putrid Warrior deals damage, choose one — • Each player loses 1 life. • Each player gains 1 life.

Flying At the beginning of your upkeep, mill a card. Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 an...

{2}{U}{U}: Exchange control of Phyrexian Infiltrator and target creature. (This effect lasts indefinitely.)

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on B...

When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card'...

When Marsh Crocodile enters the battlefield, return a blue or black creature you control to its owner's hand. When Marsh Crocodile enters the batt...

Target creature gets -1/-1 until end of turn. Draw a card.

Flying {B}: Phyrexian Battleflies gets +1/+0 until end of turn. Activate no more than twice each turn.

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

Flying Whenever a creature dealt damage by Vampiric Dragon this turn dies, put a +1/+1 counter on Vampiric Dragon. {1}{R}: Vampiric Dragon deals 1 ...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to ...

Target player discards a card.

Exile two cards from your graveyard: Sarcatog gets +1/+1 until end of turn. Sacrifice an artifact: Sarcatog gets +1/+1 until end of turn.

Discard a card: Psychatog gets +1/+1 until end of turn. Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all n...

Protection from green