Crucible Knight Siluria

Flying, vigilance
Whenever one or more +1/+1 counters are
put on a creature you control, Shalai and
Hallar deals that much damage to target
opponent.
"Knights who served Godfrey. They were led by
Crucible Knight Ordovis and Crucible Knight
Siluria, two honored as the foremost amongst
the Crucible Knights."