Boxing Day

Add seven {R}. You can cast only one more spell this turn.

Flying When Destructor Dragon dies, destroy target noncreature permanent.

Deem Worthy deals 7 damage to target creature. Cycling {3}{R} ({3}{R}, Discard this card: Draw a card.) When you cycle Deem Worthy, you may have it...

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

When Quarry Beetle enters the battlefield, you may return target land card from your graveyard to the battlefield.

{4}{G}: Devkarin Dissident gets +2/+2 until end of turn.

Baloth Pup has trample as long as it has a +1/+1 counter on it.

When Ghitu Journeymage enters the battlefield, if you control another Wizard, Ghitu Journeymage deals 2 damage to each opponent.

Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

Choose one — • Destroy target creature with flying. • Destroy target enchantment.

Up to two target creatures each get +4/+4 until end of turn.

Gatebreaker Ram gets +1/+1 for each Gate you control. As long as you control two or more Gates, Gatebreaker Ram has vigilance and trample.

Bolster 3. (Choose a creature with the least toughness among creatures you control and put three +1/+1 counters on it.)

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice th...

{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Discard your hand. II — Draw two cards. III — If a red...

Whenever you cast a spell from exile or a land enters the battlefield under your control from exile, create a 2/2 green Wolf creature token. {1}, {...

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield u...

You have no maximum hand size. {T}: Add one mana of any color.

Flash Undersea Invader enters the battlefield tapped.

Destroy target creature or planeswalker. Whenever a creature blocks this turn, its controller loses 1 life.