Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Murk Dwellers

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

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

Return target creature to its owner's hand.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Ironclaw Orcs can't block creatures with power 2 or greater.