Royal Assassin

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

Reverse Polarity

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Strip Mine

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

Fishliver Oil

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has islandwalk. (It can't be blocked as long as defending player controls an Island.)

Plains

Terror

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

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Scrubland

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.

Damping Field

Players can't untap more than one artifact during their untap steps.

Swamp

Mox Ruby

Serra Angel

Ancestral Recall

Island

Tundra

Hypnotic Specter

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

Swords to Plowshares

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

Mox Sapphire

Counterspell

Dark Ritual

Sol Ring

Unsummon

Return target creature to its owner's hand.

Control Magic

Enchant creature
You control enchanted creature.

Demonic Tutor

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