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.

Terror

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

Library of Alexandria

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

Time Walk

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.

Underground Sea

City of Brass

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

Hypnotic Specter

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

Juzám Djinn

At the beginning of your upkeep, Juzám Djinn deals 1 damage to you.

Mox Jet

Hymn to Tourach

Target player discards two cards at random.

Ancestral Recall

Unsummon

Return target creature to its owner's hand.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Energy Flux

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

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.

Merchant Scroll

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Serendib Efreet

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

Greed

Hurkyl's Recall

Return all artifacts target player owns to their hand.

Swamp

Counterspell

Black Lotus

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

Island

Dandân

Dandân can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Dandân.

Force Spike

Counter target spell unless its controller pays {1}.

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)