Vesuvan Doppelganger

You may have this creature enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

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.

City of Brass

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

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.

Prodigal Sorcerer

{T}: This creature deals 1 damage to any target.

Disenchant

Tropical Island

Flight

Enchant creature
Enchanted creature has flying.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Circle of Protection: Artifacts

{2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

Basalt Monolith

This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap this artifact.

Jedit Ojanen

Steal Artifact

Enchant artifact
You control enchanted artifact.

Tundra

White Knight

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

Jayemdae Tome

Air Elemental

Copy Artifact

You may have this enchantment enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Abu Ja'far

When this creature dies, destroy all creatures blocking or blocked by it. They can't be regenerated.

Island

Jade Statue

{2}: This artifact becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Flying Men

Wrath of God

Destroy all creatures. They can't be regenerated.

Clone

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

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.

Kismet

Artifacts, creatures, and lands your opponents control enter tapped.

Plateau

Control Magic

Enchant creature
You control enchanted creature.

Plains

Black Vise

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 the number of cards in their hand minus 4.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Spell Blast

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