Boxing Day

Equipped creature gets +1/+1. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {R}. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

When Thieves' Tools enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equipped cr...

{2}, Sacrifice this artifact: Draw a card.

{2}, Sacrifice this artifact: Draw a card.

When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Sol...

{T}: Add {C}{C}. {2}, {T}, Sacrifice Hedron Archive: Draw two cards.

{T}: Add three mana of any one color.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

As Adaptive Automaton enters, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you con...

{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.

{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.

Changeling (This card is every creature type.) {1}: Add one mana of any color. Activate only once each turn.

Flying {2}: Steel Hellkite gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat da...

When Soul-Guide Lantern enters, exile target card from a graveyard. {T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard. {1}, {T}, S...

As Sorcerous Spyglass enters, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be a...

Flying Whenever you cast a spell, put a +1/+1 counter on Ramos, Dragon Engine for each of that spell's colors. Remove five +1/+1 counters from Ramo...

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

This spell costs {1} less to cast for each Gate you control. Gate Colossus can't be blocked by creatures with power 2 or less. Whenever a Gate you ...

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control....

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

As Diamond Mare enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Trample, indestructible If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner'...

Equipped creature has deathtouch and lifelink. Equip {2}