Shatter

Braingeyser

Serendib Efreet

Flying
At the beginning of your upkeep, this creature deals 1 damage to you.

Counterspell

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.

Mox Ruby

Chaos Orb

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

Black Lotus

{T}, Sacrifice this artifact: Add three mana of any one color.

Blue Elemental Blast

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

Psionic Blast

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

Blood Moon

Demonic Tutor

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

Mox Sapphire

Shivan Dragon

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

Island

Ancestral Recall

Strip Mine

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

Mind Twist

Target player discards X cards at random.

Badlands

Serendib Djinn

Flying
At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, this creature deals 3 damage to you.
When you control no lands, sacrifice this creature.

Library of Alexandria

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

City of Brass

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

Mishra's Factory

{T}: Add {C}.
{1}: This land 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.

Mox Jet

Red Elemental Blast

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

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.

Anti-Magic Aura

Enchant creature
Enchanted creature can't be the target of spells and can't be enchanted by other Auras.

Energy Flux

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Spell Blast

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Artifact Blast

Time Walk

Timetwister

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

Ali from Cairo

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Mirror Universe

{T}, Sacrifice this artifact: Exchange life totals with target opponent. Activate only during your upkeep.