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.

Buried Ruin

{T}: Add {1} to your mana pool. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Karn Liberated

+4: Target player exiles a card from his or her hand. -3: Exile target permanent. -14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

Dismember

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

Batterskull

Living weapon (When this Equipment enters the battlefield, put a 0/0 black Germ creature token onto the battlefield, then attach this to it.) Equipped creature gets +4/+4 and has vigilance and lifelink. {3}: Return Batterskull to its owner's hand. Equip {5}

Urza's Mine

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add two colorless mana to your mana pool instead of one.

Urza's Power Plant

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add two colorless mana to your mana pool instead of one.

Urza's Tower

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add three colorless mana to your mana pool instead of one.

All Is Dust

Each player sacrifices all colored permanents he or she controls.

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.

Basilisk Collar

Equipped creature has deathtouch and lifelink. Equip {2}

Expedition Map

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library.

Ulamog, the Ceaseless Hunger

Ghost Quarter

Mind Stone

Endbringer

Matter Reshaper

Reality Smasher

Sea Gate Wreckage

Spatial Contortion

Thought-Knot Seer

Wastes

Walking Ballista