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.

Gut Shot

({R/P} can be paid with either {R} or 2 life.) Gut Shot deals 1 damage to target creature or player.

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Rest in Peace

When Rest in Peace enters the battlefield, exile all cards from all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

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.

Adarkar Wastes

{T}: Add {1} to your mana pool. {T}: Add {W} or {U} to your mana pool. Adarkar Wastes deals 1 damage to you.

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.

Worship

Damage that would reduce your life total to less than 1 instead reduces it to 1 if you control a creature.

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.

Rest for the Weary

Target player gains 4 life. Landfall — If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.

Flooded Strand

Drowner of Hope

Eldrazi Skyspawner

Endless One

Eldrazi Displacer

Eldrazi Mimic

Reality Smasher

Thought-Knot Seer

Eye of Ugin

Hallowed Fountain

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

Disenchant

Destroy target artifact or enchantment.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)