Thorn of Amethyst [Lorwyn] Token Creature Set: Innistrad: Double Feature Type:

Set: Innistrad: Double Feature Type: Creature — Zombie Rarity: Uncommon Cost: {3}{U}{U} Exploit (When this creature enters the battlefield

Then if there are five or more hatchling counters on it

Set: Wizards of the Coast: Black Star Promos Type: Colorless Rarity: Black Star Promo Retreat cost: Colorless

Set: Zendikar Rising Prerelease Promos Type: Creature — Ooze Rarity: Rare Cost: {2}{G} When Oran-Rief Ooze enters the battlefield

Ashnod devised a solution

Thorn of Amethyst [Lorwyn] Token Creature Set: Innistrad: Double Feature Type:Set: Lorwyn Type: Artifact Rarity: Rare Cost: {2} Noncreature spells cost {1} more to cast. Mined from a cave in the Dark Meanders, it shines brightest when no one is looking.