Boxing Day

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.

When Uro enters the battlefield, sacrifice it unless it escaped. Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, t...

Players have no maximum hand size. {X}{X}, {T}: Each player draws X cards. {2}{U}, {T}: Each opponent mills cards equal to the number of cards in t...

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...

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose...

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Cascade (When you cast this spell, exile cards...

Hexproof Creatures your opponents control attack each combat if able.

Return each creature that dealt damage this turn to its owner's hand.

Counter target spell. Its controller can't cast spells this turn.

Madness {X}{U}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Gain...

Target opponent reveals their hand. You choose up to X nonland cards from it and exile them. For each card exiled this way, search that player's gr...

{U}, Sacrifice Vessel of Paramnesia: Target player mills three cards. Draw a card.

Skulk (This creature can't be blocked by creatures with greater power.) When Uninvited Geist deals combat damage to a player, transform it.

Whenever you cast an instant or sorcery spell, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, i...

Defender Thing in the Ice enters the battlefield with four ice counters on it. Whenever you cast an instant or sorcery spell, remove an ice counter...

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever Jeskai Elder deals combat damage to a player,...

Enchant creature You control enchanted creature. At the beginning of your end step, if enchanted creature's power is 4 or greater, sacrifice Dome...

Tap up to two target creatures. Those creatures don't untap during their controllers' next untap steps. Scry 1. (Look at the top card of your libra...

Flying You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card an...

Flying {1}{U}: Untap Glimmerbell.

Create a token that's a copy of target artifact or creature. Cipher (Then you may exile this spell card encoded on a creature you control. Wheneve...