Shriekmaw

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When this creature enters, destroy target nonartifact, nonblack creature.
Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Fear
When Shriekmaw comes into play, destroy target nonartifact, nonblack creature.
Evoke {1B} (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)

Lorwyn Eclipsed Commander

Murders at Karlov Manor Commander

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.
Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Forgotten Realms Commander

Time Spiral Remastered

Commander 2020

The List

Ultimate Masters

Commander Anthology

Commander 2015

Commander 2014

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)\r
When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.\r
Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)