Boxing Day

{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.

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.

Whenever you crank this Contraption, creatures target player controls get -1/-1 until end of turn.

Whenever another artifact you control enters, put a +1/+1 counter on this creature. If that artifact is a Contraption, this creature gains lifelink...

Whenever you crank this Contraption, target player discards a card.

Trample {3}{R}, Sacrifice an artifact: Bosh deals damage equal to the sacrificed artifact's mana value to any target.

As this artifact enters, choose two colors. Each spell you cast costs {1} less to cast for each of the chosen colors it is.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1....

This artifact enters with X charge counters on it. {5}, {T}: Create a 1/1 green Snake creature token for each charge counter on this artifact.

{3}, {T}: Put a +1/+1 counter on target creature.

{X}: This artifact becomes an X/X Construct artifact creature until end of turn.

At the beginning of your upkeep, you may put a page counter on this artifact. {4}, {T}, Sacrifice this artifact: Draw X cards, where X is the numbe...

As this artifact enters, each player puts a pop! counter on "0." Whenever a player casts a spell, move that player's pop! counter up one. Whenever ...