Boxing Day

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add {C}. {1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. ...

{T}: Add {C}. {2}, {T}: Each player draws a card.

{T}: Add {C}. {T}: Target land you control becomes the basic land type of your choice until end of turn.

Cathedral of War enters the battlefield tapped. Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn....

Dark Depths enters the battlefield with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters o...

{T}: Add {C}. {1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped...

Oran-Rief, the Vastwood enters the battlefield tapped. {T}: Add {G}. {T}: Put a +1/+1 counter on each green creature that entered the battlefield t...

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

Stirring Wildwood enters the battlefield tapped. {T}: Add {G} or {W}. {1}{G}{W}: Until end of turn, Stirring Wildwood becomes a 3/4 green and whi...

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: A...

Whenever a creature deals combat damage to you, that creature's controller gains control of Contested War Zone. {T}: Add {C}. {1}, {T}: Attacking...

Rupture Spire enters the battlefield tapped. When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any c...

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

Boreal Shelf enters the battlefield tapped. {T}: Add {W} or {U}.

{T}: Add {C}. {1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target B...

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

You have no maximum hand size. {T}: Add {C}.

Smoldering Spires enters the battlefield tapped. When Smoldering Spires enters the battlefield, target creature can't block this turn. {T}: Add {R}.

Arctic Flats enters the battlefield tapped. {T}: Add {G} or {W}.

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

{T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Magosi, the Waterveil enters the battlefield tapped. {T}: Add {U}. {U}, {T}: Put an eon counter on Magosi, the Waterveil. Skip your next turn. {...