Gloom Surgeon [Avacyn Restored] Centaur Spirit Set: Kaladesh Prerelease Promos Type:

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

but its speaker is

then reveals the top card of their library

An early inspiration for Urza

Set: Revised Edition Type: Artifact Rarity: Uncommon Cost: {1} As Black Vise enters the battlefield

Gloom Surgeon [Avacyn Restored] Centaur Spirit Set: Kaladesh Prerelease Promos Type:Set: 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.