Boxing Day

Whenever a nontoken creature you control dies, Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only a...

Whenever an opponent casts a spell, you have five seconds to choose a keyword you haven't chosen for a card named Modular Monstrosity today that's ...

As an additional cost to cast this spell, sacrifice X Contraptions. Assemble X plus one Contraptions. (To assemble a Contraption, put the top card ...

When this creature enters, you may draw a card.

Haste Reveal this card from your hand: Masterful Ninja is on the battlefield and in your hand until end of turn. {1}{B}: This creature gets +1/+1 u...

{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The ...

Whenever you crank this Contraption, target creature gets -1/-1 until end of turn.

Enchant creature As this Aura enters, choose a word. Whisper the chosen word: Tap enchanted creature.

{T}: Roll a six-sided die. On a 3 or lower, target player adds {C}. Otherwise, that player adds one mana of any color they choose.

Equipped creature has "{T}: This creature deals 1 damage to target player or planeswalker. Roll a six-sided die. On a 5 or higher, untap it." Equip...

Whenever you crank this Contraption, put target creature card from your graveyard on top of your library.

When this creature enters, return target host card or card with augment from your graveyard to your hand.

If you would roll a die, instead roll two of those dice and ignore one of those results.

Vigilance Knight of the Widget's power and toughness are each equal to the number of Order of the Widget watermarks among permanents you control.

First strike, protection from even collector numbers (Nothing with an even collector number can block, target, deal damage to, or attach to this cr...

First strike, protection from two-word names (Nothing with exactly two words in its name can block, target, deal damage to, or attach to this creat...

First strike, protection from odd collector numbers (Nothing with an odd collector number can block, target, deal damage to, or attach to this crea...

First strike, protection from loose lips (Nothing with an open mouth in its artwork can block, target, deal damage to, or attach to this creature.)

First strike, protection from watermarks (Nothing with a watermark can block, target, deal damage to, or attach to this creature.)

First strike, protection from black borders (Nothing with a black border can block, target, deal damage to, or attach to this creature.)

{5}, {T}, Sacrifice Kindslaver: A person outside the game controls target player during that player's next turn. Neither player may advise that per...

Spells you cast that refer to artifacts or Contraptions in their rules text cost {1} less to cast.

Just Desserts deals π damage to target creature. (π is the ratio of a circle's circumference to its diameter. (It's a smidgen more than 3.))

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)