Boxing Day

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell during your turn, flip a coin. If you lose...

Lifelink Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) At the beginning...

Return target spell or nonland permanent an opponent controls to its owner's hand.

Flash When Hydroelectric Specimen enters the battlefield, you may change the target of target instant or sorcery spell with a single target to Hydr...

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Monumental Henge enters the battlefield tapped unless you control a Plains. {T}: Add {W}. {2}{W}{W}, {T}: Look at the top five cards of your librar...

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Arena of Glory enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert Arena of Glory: Add {R}{R}. If that mana ...

Flash As Disruptor Flute enters the battlefield, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sour...

When Phlage enters the battlefield, sacrifice it unless it escaped. Whenever Phlage enters the battlefield or attacks, it deals 3 damage to any tar...

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip,...

Bestow {1}{G} Enchanted creature gets +1/+1. Landfall — Whenever a land enters the battlefield under your control, you may pay {1}{G} if Springhear...

Reach Whenever Six attacks, mill three cards. You may put a land card from among them into your hand. As long as it's your turn, nonland permanent ...

Reveal the top four cards of your library. You may put a permanent card from among them into your hand. Put the rest into your graveyard. Create a ...

You may look at the top card of your library any time. You may cast creature spells from the top of your library. {G}, {T}, Tap two untapped creatu...

You may look at the top card of your library any time. You may cast creature spells from the top of your library. {G}, {T}, Tap two untapped creatu...

At the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If yo...

When you cast this spell, draw two cards. Flying Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.) Evoke {2}...

Noncreature spells you cast from exile have convoke. (Each creature you tap while casting a noncreature spell from exile pays for {1} or one mana o...

You may sacrifice a nontoken red creature rather than pay this spell's mana cost. Copy target instant or sorcery spell. You may choose new targets ...

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")