Merfolk of the Pearl Trident

Twiddle

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.)

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

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

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.

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

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