Necrite

Whenever Necrite attacks and isn’t blocked, you may sacrifice it. If you do, destroy target creature defending player controls. It can’t be regenerated.

Dandân

Dandân can’t attack unless defending player controls an Island.
When you control no Islands, sacrifice Dandân.

Ashes to Ashes

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Clockwork Beast

Clockwork Beast enters the battlefield with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Beast. This ability can’t cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate this ability only during your upkeep.

Murk Dwellers

Whenever Murk Dwellers attacks and isn’t blocked, it gets +2/+0 until end of combat.

Clockwork Beast

Clockwork Beast enters the battlefield with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Beast. This ability can’t cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate this ability only during your upkeep.

Murk Dwellers

Whenever Murk Dwellers attacks and isn’t blocked, it gets +2/+0 until end of combat.

Dream Fighter

Whenever Dream Fighter blocks or becomes blocked by a creature, Dream Fighter and that creature phase out. (While they’re phased out, they’re treated as though they don’t exist. Each one phases in before its controller untaps during their next untap step.)

Decomposition

Enchant black creature
Enchanted creature has “Cumulative upkeep—Pay 1 life.” (At the beginning of its controller’s upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)
When enchanted creature dies, its controller loses 2 life.

Agility

Enchant creature
Enchanted creature gets +1/+1 and has flanking. (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Clockwork Beast

Clockwork Beast enters the battlefield with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Beast. This ability can’t cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate this ability only during your upkeep.

Murk Dwellers

Whenever Murk Dwellers attacks and isn’t blocked, it gets +2/+0 until end of combat.

Dark Banishing

Destroy target nonblack creature. It can’t be regenerated.

Dark Banishing

Destroy target nonblack creature. It can’t be regenerated.

Ashes to Ashes

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Hurr Jackal

: Target creature can’t be regenerated this turn.

Ashes to Ashes

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Cave People

Whenever Cave People attacks, it gets +1/-2 until end of turn.
, : Target creature gains mountainwalk until end of turn. (It can’t be blocked as long as defending player controls a Mountain.)

Angry Mob

Trample
As long as it’s your turn, Angry Mob’s power and toughness are each equal to 2 plus the number of Swamps your opponents control. As long as it’s not your turn, Angry Mob’s power and toughness are each 2.

Murk Dwellers

Whenever Murk Dwellers attacks and isn’t blocked, it gets +2/+0 until end of combat.

Hurr Jackal

: Target creature can’t be regenerated this turn.