Boxing Day

{T}: Add one mana of any type that a land you control could produce.

Minas Tirith enters the battlefield tapped unless you control a legendary creature. {T}: Add {W}. {1}{W}, {T}: Draw a card. Activate only if you at...

{T}: Add one mana of any type that a land you control could produce.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

{T}: Add {U}. {1}: Return Oboro, Palace in the Clouds to its owner's hand.

{T}: Add {U}. {1}: Return Oboro, Palace in the Clouds to its owner's hand.

{T}: Add {C}. {4}{S}, {T}, Sacrifice Mouth of Ronom: It deals 4 damage to target creature. ({S} can be paid with one mana from a snow source.)

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

{T}: Add {C}. {1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

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

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield wit...

{T}: Add {C}. {1}, {T}: Untap target land.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a cre...

The Shire enters the battlefield tapped unless you control a legendary creature. {T}: Add {G}. {1}{G}, {T}, Tap an untapped creature you control: C...

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a cre...

The Shire enters the battlefield tapped unless you control a legendary creature. {T}: Add {G}. {1}{G}, {T}, Tap an untapped creature you control: C...

Rivendell enters the battlefield tapped unless you control a legendary creature. {T}: Add {U}. {1}{U}, {T}: Scry 2. Activate only if you control a ...

{T}, Pay 1 life: Add {B} or {R}. {1}{B}{R}, {T}: Mount Doom deals 1 damage to each opponent. {5}{B}{R}, {T}, Sacrifice Mount Doom and a legendary a...

{T}, Pay 1 life: Add {B} or {R}. {1}{B}{R}, {T}: Mount Doom deals 1 damage to each opponent. {5}{B}{R}, {T}, Sacrifice Mount Doom and a legendary a...

Castle Ardenvale enters the battlefield tapped unless you control a Plains. {T}: Add {W}. {2}{W}{W}, {T}: Create a 1/1 white Human creature token.

Mines of Moria enters the battlefield tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your gravey...