Counterspell

Mox Sapphire

Time Walk

Force Spike

Counter target spell unless its controller pays {1}.

Demonic Tutor

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

Mox Jet

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Mind Bomb

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Island

Gaseous Form

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Remove Soul

Dark Ritual

The Rack

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Blue Elemental Blast

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

Swamp

Ancestral Recall

Chains of Mephistopheles

If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.

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.