Ivory Tower

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

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.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Demonic Tutor

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

Mox Pearl

Recall

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

Jayemdae Tome

Serra Angel

Sol Ring

Ancestral Recall

Fellwar Stone

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

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.

Mox Ruby

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.

Black Lotus

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

Dust to Dust

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Volcanic Island

City of Brass

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

Plains

Stone Rain

Moat

Mind Twist

Target player discards X cards at random.

Swords to Plowshares

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Library of Alexandria

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

Mox Jet

Counterspell

Time Walk

Disenchant

Regrowth

Return target card from your graveyard to your hand.

Mox Emerald

Underground Sea

Braingeyser

Tundra

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.

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.