Cover of Darkness [Onslaught] Escualogrejo it's sacrificed when it enters

it's sacrificed when it enters the battlefield

If only you could forge rings to mail the rest of my people

Set: Kaladesh Prerelease Promos Type: Creature — Hydra Rarity: Rare Cost: {2}{G}{G} When Bristling Hydra enters the battlefield

Set: Dark Ascension Type: Creature — Wolf Rarity: Common Cost: {G} Undying (When this creature dies

Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped

Cover of Darkness [Onslaught] Escualogrejo it's sacrificed when it entersSet: Onslaught Type: Enchantment Rarity: Rare Cost: {1}{B} As Cover of Darkness enters the battlefield, choose a creature type. Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and or black creatures.)