Viashino Sandstalker

Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandstalker to its owner’s hand. (Return it only if it’s on the battlefield.)

Root Greevil

, , Sacrifice Root Greevil: Destroy all enchantments of the color of your choice.

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.

Catastrophe

Destroy all lands or all creatures. Creatures destroyed this way can’t be regenerated.

Ray of Command

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Bribery

Search target opponent’s library for a creature card and put that card onto the battlefield under your control. Then that player shuffles their library.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Soul Net

Whenever a creature dies, you may pay . If you do, you gain 1 life.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Power Sink

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

Veiled Apparition

When an opponent casts a spell, if Veiled Apparition is an enchantment, Veiled Apparition becomes a 3/3 Illusion creature with flying and “At the beginning of your upkeep, sacrifice Veiled Apparition unless you pay .”

Pendrell Flux

Enchant creature
Enchanted creature has “At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost.”

Noetic Scales

At the beginning of each player’s upkeep, return to its owner’s hand each creature that player controls with power greater than the number of cards in their hand.

Back to Basics

Nonbasic lands don’t untap during their controllers’ untap steps.

Catastrophe

Destroy all lands or all creatures. Creatures destroyed this way can’t be regenerated.

Somnophore

Flying
Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn’t untap during its controller’s untap step for as long as Somnophore remains on the battlefield.

Clear

Destroy target enchantment.
Cycling (, Discard this card: Draw a card.)

Hidden Herd

When an opponent plays a nonbasic land, if Hidden Herd is an enchantment, Hidden Herd becomes a 3/3 Beast creature.

Destructive Urge

Enchant creature
Whenever enchanted creature deals combat damage to a player, that player sacrifices a land.

Viashino Sandstalker

Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandstalker to its owner’s hand. (Return it only if it’s on the battlefield.)