Boxing Day

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 ...

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...

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 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 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...

All creatures are black and have deathtouch. Whenever chaos ensues, creatures you control get +1/+0 and gain first strike until end of turn.

When you planeswalk away from Norn's Dominion, destroy each nonland permanent without a fate counter on it, then remove all fate counters from all ...

At the beginning of your end step, mill seven cards. Then return a card at random from your graveyard to your hand. Whenever chaos ensues, return t...

At the beginning of your end step, put a pressure counter on Mount Keralia. When you planeswalk away from Mount Keralia, it deals damage equal to t...

At the beginning of your upkeep, sacrifice a creature. If you can't, planeswalk. Whenever chaos ensues, any number of target players each create a ...

When you planeswalk to Kilnspire District and at the beginning of your first main phase, put a charge counter on Kilnspire District, then add {R} f...

Whenever a creature you control attacks a player, for each other opponent, you may create a token that's a copy of that creature, tapped and attack...

Prevent all combat damage that would be dealt by non-Werewolf creatures. Whenever chaos ensues, each creature you control gets +2/+2, gains trample...

Whenever a player casts a creature spell that's black, red, or green, it gains devour 5. (As that creature enters, you may sacrifice any number of ...

Creatures with power 7 or greater can't attack or block. Whenever chaos ensues, create a 7/7 colorless Eldrazi creature token with annihilator 1. (...

When you planeswalk to Grove of the Dreampods and at the beginning of your upkeep, reveal cards from the top of your library until you reveal a cre...

Whenever a creature dies, its controller distributes a number of +1/+1 counters equal to its power among any number of target creatures they contro...