Mox Sapphire

Stone Rain

City of Brass

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

Mountain

Library of Alexandria

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

Ancestral Recall

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.

Sol Ring

Recall

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

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Flying Men

Serendib Efreet

Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Volcanic Island

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Counterspell

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Black Lotus

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

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Mox Ruby

Strip Mine

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

Island

Braingeyser

Time Walk

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.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shatter

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.

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)