Screamer-Killer

Trample
Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target.

Flavor Text: Its shriek is unintelligible, but armored bulkheads seem to understand the intent well enough.

Card Details:
Set: Warhammer 40,000 Commander
Collector Number: 84
Artist: David Auden Nash