Boxing Day

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

{1}, {T}: Add {U}{B}.

When Seasoned Dungeoneer enters the battlefield, you take the initiative. Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard g...

Creeping Tar Pit enters the battlefield tapped. {T}: Add {U} or {B}. {1}{U}{B}: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature un...

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefiel...

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

Counter target spell. Its controller draws a card. Draw a card.

Castle Locthwain enters the battlefield tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to t...

Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until en...

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, t...

Flash Mold Earth — Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library f...

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuf...

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

{T}: Add {C}. {T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

Whenever Durnan attacks, look at the top four cards of your library. You may exile a creature card from among them. Put the rest on the bottom of y...

{T}: Add {C}. {T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Indestructible As Stuffy Doll enters the battlefield, choose a player. Whenever Stuffy Doll is dealt damage, it deals that much damage to the chose...

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...

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target oppon...

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