Boxing Day

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may c...

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control, you may attach that Equipment to target creature you cont...

Flying

{T}, Pay 1 life: Add {G} or {W}. {1}, {T}, Sacrifice Horizon Canopy: Draw a card.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{T}: Add {C}. {W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {G}.)

({T}: Add {R}.)

({T}: Add {B}.)

({T}: Add {U}.)

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

({T}: Add {W}.)

Multikicker {2} Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge co...

({T}: Add {G}.)

Each land is a Swamp in addition to its other land types.

Creatures with power greater than the number of cards in your hand can't attack.

({T}: Add {R}.)

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: D...

({T}: Add {B}.)

({T}: Add {U}.)

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.