Boxing Day

Creatures without flying or islandwalk can't attack. Whenever chaos ensues, until a player planeswalks, you can't lose the game and your opponents ...

Whenever a creature enters, it gains double strike and haste until end of turn. Whenever chaos ensues, exile target nontoken creature you control, ...

All creatures have exalted. (Whenever a creature attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents its c...

No more than one creature can attack each combat. No more than one creature can block each combat. Whenever chaos ensues, Astral Arena deals 2 dama...

When you planeswalk to Aretopolis and at the beginning of your upkeep, put a scroll counter on Aretopolis, then you gain life equal to the number o...

Players may cast enchantment spells as though they had flash. Whenever chaos ensues, destroy target creature that isn't enchanted.

Whenever a white creature dies, return it to the battlefield under its owner's control at the beginning of the next end step. Whenever a nonwhite c...

At the beginning of your end step, if you have no cards in hand, draw seven cards. Whenever chaos ensues, discard your hand.

Players play with the top card of their libraries revealed. You may play lands and cast spells from the top of any player's library. Whenever chaos...

All lands have "{T}: Add one mana of any color." Whenever chaos ensues, reveal the top three cards of your library. Put all land cards revealed thi...

Instant and sorcery spells have rebound. (The spell's controller exiles the spell as it resolves if they cast it from their hand. At the beginning ...

When you encounter Time Distortion, reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes coun...

Creatures with flying get +2/+0. Creatures without flying get -2/-0. Whenever chaos ensues, target creature gains flying until end of turn.

Any time you could cast a sorcery, you may exile a nonland card from your hand with X time counters on it, where X is its mana value. If the exiled...

Whenever a creature leaves the battlefield, its controller draws a card. Whenever chaos ensues, return target creature you control to its owner's h...

Whenever a creature deals damage to one or more players for the first time each turn, put a +1/+1 counter on it. Whenever chaos ensues, each creatu...

When you encounter Spatial Merging, reveal cards from the top of your planar deck until you reveal two plane cards. Simultaneously planeswalk to bo...

If an effect would create one or more tokens, it creates twice that many of those tokens instead. If an effect would put one or more counters on a ...

When you encounter Reality Shaping, starting with you, each player may put a permanent card from their hand onto the battlefield. (Then planeswalk ...

When you planeswalk to Quicksilver Sea and at the beginning of your upkeep, scry 4. (Look at the top four cards of your library, then put any numbe...

If you cast a spell this turn, you can't attack with creatures. If you attacked with creatures this turn, you can't cast spells. Whenever chaos ens...

When you encounter Planewide Disaster, destroy all creatures. (Then planeswalk away from this phenomenon.)

When you planeswalk away from Orzhova, each player returns all creature cards from their graveyard to the battlefield. Whenever chaos ensues, for e...

Whenever a creature you control deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tap...