Boxing Day

When Self-Assembler enters the battlefield, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, the...

Destroy target creature.

When Mesmeric Fiend enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When Mesmer...

Protection from white

Flying Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

At the beginning of your end step, if Erg Raiders didn't attack this turn, Erg Raiders deals 2 damage to you unless it came under your control this...

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

All creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.) Cycling {1}{B} ({1}{B}, Di...

Flying When Death's-Head Buzzard dies, all creatures get -1/-1 until end of turn.

Flying When Bloodhunter Bat enters the battlefield, target player loses 2 life and you gain 2 life.

Put target nonland permanent on top of its owner's library.

Draw three cards, then discard a card.

Flying Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifa...

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

When Loyal Sentry blocks a creature, destroy that creature and Loyal Sentry.

Protection from red Whenever a player casts a red spell, you may gain 1 life.

Morph {5}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{8}: Target creature gets +5/+5 and gains trample until end of turn.

{3}{G}: Knight of the Skyward Eye gets +3/+3 until end of turn. Activate only once each turn.

{1}{G}, {T}, Discard a card: Creatures you control get +1/+1 and gain trample until end of turn.