Gloom Surgeon [Avacyn Restored] Centaur Spirit X is the mana value

X is the mana value of that card

the next morning he was dead

Set: Planar Chaos Type: Sorcery Rarity: Rare Cost: {3}{W} Return each Aura card from your graveyard to the battlefield

/ Earth heaves beneath me

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

Gloom Surgeon [Avacyn Restored] Centaur Spirit X is the mana valueSet: Avacyn Restored Type: Creature Spirit Rarity: Rare Cost: {1}{B} If combat damage would be dealt to Gloom Surgeon, prevent that damage and exile that many cards from the top of your library. He roams the streets of Havengul seeking the sick and delirious so that he may cure them of their lives.