Den Protector

Creatures with power less than Den Protector's power can't block it. Megamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Den Protector is turned face up, return target card from your graveyard to your hand.

Woodland Cemetery

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G} to your mana pool.

Scavenging Ooze

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Reclamation Sage

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Dark Petition

Search your library for a card and put that card into your hand. Then shuffle your library. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B} to your mana pool.

Languish

All creatures get -4/-4 until end of turn.

Abrupt Decay

Abrupt Decay can't be countered by spells or abilities. Destroy target nonland permanent with converted mana cost 3 or less.

Hero's Downfall

Destroy target creature or planeswalker.

Thoughtseize

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Overgrown Tomb

Grasp of Darkness

Hissing Quagmire

Kalitas, Traitor of Ghet

Sylvan Advocate

Seasons Past

Tireless Tracker

Blooming Marsh

Lost Legacy

Nissa, Vital Force

Fatal Push

Vraska's Contempt

2BB

Cry of the Carnarium

All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead.

Pulse of Murasa

Return target creature or land card from a graveyard to its owner's hand. You gain 6 life.

Fabled Passage

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Then if you control four or more lands, untap that land.

Field of Ruin

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles their library.

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)