Boxing Day

[+1]: Until your next turn, whenever a creature deals combat damage to Vraska the Unseen, destroy that creature. [-3]: Destroy target nonland perm...

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{4}{G}{W}: Create a 3/3 green Centaur creature token. {2}{G}{W}: Populate. (Create a token that's a copy of a creature token you control.)

Whenever another creature enters the battlefield under your control, you gain life equal to that creature's toughness. {1}{G}{W}, {T}: Populate. (...

Selesnya Guildgate enters the battlefield tapped. {T}: Add {G} or {W}.

Target creature gets +3/+3 until end of turn. Another target creature gets -3/-3 until end of turn.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Enchant creature Enchanted creature gets +1/+1 for each card in its controller's hand. At the beginning of the draw step of enchanted creature's ...

Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.

You can't cast this spell unless an opponent lost life this turn. Flying, trample Creature spells you cast cost {1} less to cast for each 1 life ...

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Flying Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target.

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, ...

Flying Whenever a creature attacks you or a planeswalker you control, you may draw a card.

Flying, haste You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

First strike Whenever Precinct Captain deals combat damage to a player, create a 1/1 white Soldier creature token.

Return target card from your graveyard to your hand. Exile Treasured Find.

Draw four cards, then discard two cards.

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn. Overload {3}{U}{R} (You may cast this spell for its overl...

This spell can't be countered. Destroy all creatures.

You gain X life and draw X cards.

Target player gains 7 life.

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) {2}...

Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.