Boxing Day

{T}: Add {G}. Centaur Garden deals 1 damage to you. Threshold — {G}, {T}, Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. A...

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

{T}: Add {C}. {3}, {T}, Sacrifice a land: Destroy target nonbasic land.

{T}: Add {R} or {G}.

{T}: Add {C}. {W}, {T}: Target Soldier creature gets +1/+1 until end of turn.

{1}, Sacrifice Treva's Attendant: Add {G}{W}{U}.

{T}: Add {B}. Cabal Pit deals 1 damage to you. Threshold — {B}, {T}, Sacrifice Cabal Pit: Target creature gets -2/-2 until end of turn. Activate on...

At the beginning of each player's upkeep, that player mills a card.

{T}: Add {C}. {R}{G}, {T}: Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to ...

{1}, {T}, Discard a card: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end ...

{T}: Add {G} or {W}.

Bog Wreckage enters the battlefield tapped. {T}: Add {B}. {T}, Sacrifice Bog Wreckage: Add one mana of any color.

Tek gets +0/+2 as long as you control a Plains, has flying as long as you control an Island, gets +2/+0 as long as you control a Swamp, has first s...

{T}: Add {W}. Sacrifice Tooth of Ramos: Add {W}.

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

{T}: Add {R}. Barbarian Ring deals 1 damage to you. Threshold — {R}, {T}, Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only ...

{T}: Add {B}. Sacrifice Skull of Ramos: Add {B}.

Whenever Sparring Golem becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

Abandoned Outpost enters the battlefield tapped. {T}: Add {W}. {T}, Sacrifice Abandoned Outpost: Add one mana of any color.

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

{T}: Add {W} or {U}.

{2}, {T}, Sacrifice Sungrass Egg: Add {G}{W}. Draw a card.

Tribal Golem has trample as long as you control a Beast, haste as long as you control a Goblin, first strike as long as you control a Soldier, flyi...

{2}, {T}: Shuffle target nontoken permanent you control into its owner's library.