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.

Drain Life

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Power Leak

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Psychic Venom

Enchant land
Whenever enchanted land becomes tapped, Psychic Venom deals 2 damage to that land's controller.

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Icy Manipulator

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

Dark Ritual

Ancestral Recall

Twiddle

You may tap or untap target artifact, creature, or land.

Flight

Enchant creature
Enchanted creature has flying.

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Air Elemental

Invisibility

Enchant creature
Enchanted creature can't be blocked except by Walls.

Paralyze

Enchant creature
When Paralyze enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of the upkeep of enchanted creature's controller, that player may pay {4}. If the player does, untap the creature.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Sinkhole

Drudge Skeletons

{B}: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Frozen Shade

{B}: Frozen Shade gets +1/+1 until end of turn.

Sol Ring

Throne of Bone

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.