Boxing Day

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Surveil 3. II — When you next cast a creature spell th...

As an additional cost to cast this spell, pay X life. Destroy all artifacts and creatures with mana value X or less.

As this land enters, choose a basic land type. Then you may pay 2 life. If you don't, it enters tapped. This land is the chosen type.

Traumatic Critique deals X damage to any target. Draw two cards, then discard a card.

This land enters tapped. {T}: Add {G}, {W}, or {U}. {2}, Return a tapped creature you control to its owner's hand: Put this card from your hand ont...

Choose one — • Draw four cards. • Splatter Technique deals 4 damage to each creature and planeswalker.

As this land enters, choose a basic land type. Then you may pay 2 life. If you don't, it enters tapped. This land is the chosen type.

First strike At the beginning of each end step, if an opponent has more cards in hand than you, this creature becomes prepared. (While it's prepare...

Mind Swap — You may have Superior Spider-Man enter as a copy of any creature card in a graveyard, except his name is Superior Spider-Man and he's a...

Flying, haste Discard a card: This creature gains lifelink until end of turn. Whenever one or more cards leave your graveyard, put a +1/+1 counter ...

Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time....

This creature gets +X/+0, where X is the greatest mana value among other artifacts you control.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Converge — Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell.

Destroy all creatures, then any number of target players each mill half their library, rounded down.

Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with...

When Infinite Guideline Station enters, create a tapped 2/2 colorless Robot artifact creature token for each multicolored permanent you control. St...

This creature's power is equal to the number of cards you own in exile and its toughness is equal to that number plus 1.

Add {R}{R}{R}.

When this creature leaves the battlefield, draw a card, then you may put a permanent card with mana value less than or equal to the number of lands...

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...