Boxing Day

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may cast it once fro...

Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Mutate {3}{R/G}{U}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Each creature spell you cast costs {1} less to cast if it has mutate. Whenever you cast a creature spell, if it has mutate, draw a card, then disca...

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Companion — Your starting deck contains only cards with converted mana cost 3 or greater and land cards. (If this card is your chosen companion, yo...

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may cast it once fro...

Defender (This creature can't attack.) {U}: Wall of Water gets +1/+0 until end of turn.

Whenever you cast a noncreature spell, draw a card.

Pirate Ship can't attack unless defending player controls an Island. {T}: Pirate Ship deals 1 damage to any target. When you control no Islands, sa...

You may play an additional land on each of your turns. Whenever you cast a spell, draw two cards. At the beginning of your end step, discard your h...

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Flying Skycat Sovereign gets +1/+1 for each other creature you control with flying. {2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard. Whenever you discard one or more cards for the first time each...

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced. {5}{G}{U}: Look at the top five cards of your libr...

Defender (This creature can't attack.) {U}: Wall of Water gets +1/+0 until end of turn.

Target player gains 5 life, Inspired Ultimatum deals 5 damage to any target, then you draw five cards.

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exi...

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that car...

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."