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.

Spirit of the Labyrinth

Each player can't draw more than one card each turn.

Containment Priest

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Thalia, Guardian of Thraben

First strike Noncreature spells cost {1} more to cast.

Ingot Chewer

When Ingot Chewer comes into play, destroy target artifact. Evoke {R} (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)

Thorn of Amethyst

Noncreature spells cost {1} more to play.

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.

Umezawa's Jitte

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one — Equipped creature gets +2/+2 until end of turn; or target creature gets -1/-1 until end of turn; or you gain 2 life. Equip {2}

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {2} to your mana pool.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

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.

Kataki, War's Wage

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

Battlefield Forge

{T}: Add {1} to your mana pool. {T}: Add {R} or {W} to your mana pool. Battlefield Forge deals 1 damage to you.

Mox Emerald

Add 1 green mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Sapphire

Add 1 blue mana to your mana pool. Tapping this artifact can be played as an interrupt.

Plateau

Counts as both mountains and plains and is affected by spells that affect either. Tap to add either {R} or {W} to your mana pool.

Mox Jet

Add 1 black mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Ruby

Add 1 red mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Pearl

Add 1 white mana to your mana pool. Tapping this artifact can be played as an interrupt.

Black Lotus

Adds 3 mana of any single color of your choice to your mana pool, then is discarded. Tapping this artifact can be played as an interrupt.

Masticore

At the beginning of your upkeep, you may choose and discard a card from your hand. If you don't, sacrifice Masticore. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore.

Null Rod

Players cannot play any artifact abilities requiring an activation cost.

Sol Ring

Eldrazi Displacer

Reality Smasher

Thought-Knot Seer

Ancient Tomb

Strip Mine

Wasteland

Geier Reach Sanitarium

Thalia, Heretic Cathar