Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Chaos Orb

{1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Mox Pearl

Mox Emerald

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Circle of Protection: Green

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Braingeyser

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Regrowth

Return target card from your graveyard to your hand.

Volcanic Island

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Disenchant

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Lifetap

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Sol Ring

Tundra

Counterspell

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Mind Twist

Target player discards X cards at random.

Mox Sapphire

Mox Jet

Jayemdae Tome

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Mox Ruby

Wrath of God

Destroy all creatures. They can't be regenerated.

Time Walk

The Abyss

At the beginning of each player's upkeep, destroy target nonartifact creature that player controls of their choice. It can't be regenerated.