Mergô, Helldengard's founder

Legend (other thieves you control gain +1/0 for
each thief under your control).
{t}{b}{1} Murder (destroy target non Legendary permanent).
{b}{b} Sneak (gain +2/+4 until the end of round).
"I think we should get out of here, what do you think, Mer ... Jaskier, where is Mergo ?!"
- Helldengard's Queen