Gods' Eye, Gate to the Reikai

{T}: Add {1} to your mana pool. When Gods' Eye, Gate to the Reikai is put into a graveyard from play, put a 1/1 colorless Spirit creature token into play.

Uba Mask

If a player would draw a card, that player removes that card from the game face up instead. Each player may play cards he or she removed from the game with Uba Mask this turn.

Coercive Portal

Will of the council — At the beginning of your upkeep, starting with you, each player votes for carnage or homage. If carnage gets more votes, sacrifice Coercive Portal and destroy all nonland permanents. If homage gets more votes or the vote is tied, draw a card.

City of Traitors

If you play any land, sacrifice City of Traitors. {T}: Add two colorless mana to your mana pool.

Trinisphere

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Buried Ruin

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

Trading Post

{1}, {T}, Discard a card: You gain 4 life. {1}, {T}, Pay 1 life: Put a 0/1 white Goat creature token onto the battlefield. {1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand. {1}, {T}, Sacrifice an artifact: Draw a card.

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.

Bottled Cloister

At the beginning of each opponent's upkeep, remove your hand from the game face down. At the beginning of your upkeep, return all cards removed from the game with Bottled Cloister to your hand, then draw a card.

Mishra's Factory

{T}: Add one colorless mana to your mana pool. {1}: Mishra's Factory becomes an Assembly Worker, a 2/2 artifact creature, until end of turn. Assembly Worker still counts as a land but cannot be tapped for mana the turn it comes into play. {T}: Target Assembly Worker gets +1/+1 until end of turn.

Ratchet Bomb

{T}: Put a charge counter on Ratchet Bomb. {T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Ratchet Bomb.

Ensnaring Bridge

Each creature with power greater than the number of cards in your hand cannot attack.

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Crucible of Worlds

You may play land cards from your graveyard.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Remove target player's graveyard from the game.

Metalworker

{T}: Reveal any number of artifact cards in your hand. Add two colorless mana to your mana pool for each card revealed this way.

Caltrops

Whenever a creature attacks, Caltrops deals 1 damage to it.

Smokestack

During your upkeep, you may put a soot counter on Smokestack. During each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

Lodestone Golem

Nonartifact spells cost {1} more to cast.

Ghost Quarter

Ancient Tomb

Wasteland

Drownyard Temple

Ghirapur Orrery

Inventors' Fair