Bonehoard Dracosaur [The Lost Caverns of Ixalan Prerelease Cards] Snake Druid Set: March of the Machine

Set: March of the Machine Prerelease Promos Type: Enchantment Rarity: Rare Cost: {G}{G}{G} Whenever a creature enters the battlefield under your control

As far as the Orzhov Syndicate is concerned

Set: Secret Lair: From Cute to Brute Type: Creature — Vampire Rarity: Rare Cost: {2}{B}{B} Flying

If Good Knight is on the battlefield at the end of the game

Bonehoard Dracosaur [The Lost Caverns of Ixalan Prerelease Cards] Snake Druid Set: March of the MachineSet: The Lost Caverns of Ixalan Prerelease Cards Type: Creature Dinosaur Dragon Rarity: Mythic Cost: {3}{R}{R} Flying, first strike At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3 1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.