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.

Counterspell

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Drowned

Energy Flux

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

False Summoning

Armageddon

Giant Tortoise

This creature gets +0/+3 as long as it's untapped.

In the Eye of Chaos

Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.

Mahamoti Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Mystic Decree

All creatures lose flying and islandwalk.

Owl Familiar

Flying
When this creature enters, draw a card, then discard a card.

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice this creature unless you pay {U}.

Phantasmal Terrain

Enchant land
As this Aura enters, choose a basic land type.
Enchanted land is the chosen type.

Power Artifact

Enchant artifact
Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Prodigal Sorcerer

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

Masters Edition IV