Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Stony Silence

Activated abilities of artifacts can't be activated.

Mutavault

{T}: Add {1} to your mana pool. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Inquisition of Kozilek

Target player reveals his or her hand. You choose a nonland card from it with converted mana cost 3 or less. That player discards that card.

Eldrazi Temple

{T}: Add {1} to your mana pool. {T}: Add {2} to your mana pool. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

Relic of Progenitus

{T}: Target player removes a card in his or her graveyard from the game. {1}, Remove Relic of Progenitus from the game: Remove all graveyards from the game. Draw a card.

Tidehollow Sculler

When Tidehollow Sculler comes into play, target opponent reveals his or her hand and you choose a nonland card from it. Remove that card from the game. When Tidehollow Sculler leaves play, return the removed card to its owner's hand.

Lingering Souls

Put two 1/1 white Spirit creature tokens with flying onto the battlefield. Flashback {1}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Caves of Koilos

{T}: Add {1} to your mana pool. {T}: Add {W} or {B} to your mana pool. Caves of Koilos deals 1 damage to you.

Thoughtseize

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

Path to Exile

Exile target creature. Its controller may search his or her library for a basic land card, put that card onto the battlefield tapped, then shuffle his or her library.

Marsh Flats

Shambling Vent

Wasteland Strangler

Eldrazi Displacer

Reality Smasher

Thought-Knot Seer

Collective Brutality

Concealed Courtyard

Fatal Push

Godless Shrine

({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Plains

({T}: Add {W}.)

Swamp

({T}: Add {B}.)