Boxing Day

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{1}, {T}: Add {R}{G}.

{T}: Add {C}. {2}, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

As Furycalm Snarl enters the battlefield, you may reveal a Mountain or Plains card from your hand. If you don't, Furycalm Snarl enters the battlefi...

As Fortified Village enters the battlefield, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters the batt...

({T}: Add {U} or {B}.) Fetid Pools enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {3}: Return Drownyard Temple from your graveyard to the battlefield tapped.

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

Flying, ward {3} Whenever you remove a time counter from Watcher of Hours while it's exiled, surveil 1. Suspend 6—{1}{U} (Rather than cast this car...

{T}: Manifest a card from your hand. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if...

When Master of Death enters the battlefield, surveil 2. At the beginning of your upkeep, if Master of Death is in your graveyard, you may pay 1 lif...

Whenever another nontoken creature enters the battlefield under your control, investigate. {T}, Sacrifice X Clues: Target opponent reveals the top ...

Flying Whenever you surveil, you may pay {1}{U}. If you do, create a token that's a copy of Copy Catchers.

Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. ...

Whenever a face-down creature enters the battlefield under your control, you may search your library for a basic land card, reveal it, put it into ...

Landfall — Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this...

When Temur War Shaman enters the battlefield, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creatur...

Morph {5}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Root Elemental is t...

When Veiled Ascension enters the battlefield, put a flying counter on each face-down creature you control. Face-down creatures you control enter th...

Morph {6}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 cr...

When Killer Service enters the battlefield, create a number of Food tokens equal to the number of opponents you have. (They're artifacts with "{2},...

Prowess, haste Disguise {5}{R}. This cost is reduced by {1} for each instant and sorcery card in your graveyard. (You may cast this card face down ...

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an arti...