Sunrod Ray

{u}{b}{r}, {t}: Destroy target creature with mana
value equal to the number of creature cards in
target opponent's graveyard.
Whenever a creature card is put into a graveyard
from anywhere, Sunrod Ray deals 1 damage to
target player and you gain 1 life.
The orange organ on its abdomen is actually a highly specialised symbiont, which the ray uses to generate
bursts of thermal energy that boil small prey.