Vault Hunters, The Saviors

Whenever you cast this card, look at the top X
cards from your library and add all Siren or Vault-Hunter cards from among them to your hands.
This creature enters the battlefield with X +1/+1 counters on it, then deals damage equal to its
power to any target.
{u/b}{u/b}{u/b}, {t}: Return target Siren or Vault-Hunter
card from your graveyard to the battlefield.