Dire Fleet Daredevil

First strike
When Dire Fleet Daredevil enters the battlefield,
exile target instant or sorcery card from an
opponent's graveyard. You may cast it this turn,
and mana of any type can be spent to cast that
spell. If that spell would be put into a graveyard,
exile it instead.
They used to be thiefs. Now they are mana-powered guardians.