Reverberate {3}{U}(When you cast this spell, copy it if you paid its reverberate cost. You may choose new targets for the copy.) Create a token that's a copy of target creature you control.
When Tombstone Looter enters, you may draw a card. If you do, discard a card. Unearth {1}{U}({1}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)
Reverberate {2}{R}(When you cast this spell, copy it if you paid its reverberate cost.) Creatures your opponents control get -2/-0 until end of turn. If Unstable Experiment is reverberated, creatures you control get +1/+0 until end of turn.
As Battle the Evil One enters, choose Evil One or Rehison. • Evil One — Zombie creature cards in your graveyard have unearth {3}{B}. ({3}{B}: Return this card from your graveyard to the battlefield. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.) • Rehison — Whenever an Elf you control enters, you may put a -1/-1 counter on target creature.
When Blightbringer enters, creatures your opponents control get -1/-1 until end of turn. Unearth {3}{B}({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)
When Blighting Ooze enters, put a -1/-1 counter on each of up to X target creatures. As long as Blighting Ooze is on the battlefield, it has all activated abilities of each creature with a -1/-1 counter on it.
Many tried to conquer the Darklands and make them into a habitable place. Those who did are now brainless undead, roaming the land they sought to make theirs.
Deathtouch Cutthroat Deceiver enters with four -1/-1 counters on it. {3}{B}, {T}: Move a -1/-1 counter from Cutthroat Deceiver onto another target creature.
Target player discards two cards. Cycling {2}{B}({2}{B}, Discard this card: Draw a card.) When you cycle Dementia's Clutch, target player discards a card.
Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types. Zombiecycling {2}{B}({2}{B}, Discard this card: Search your library for a Zombie card, reveal it, and put it into your hand, then shuffle.)
When Driver of Hordes enters, create a tapped 2/2 black Zombie creature token. Unearth {3}{B}({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)