Hell's Thunder [Shards of Alara] Gorgon choose one of your libraries

choose one of your libraries for it

Set: Avacyn Restored Type: Creature — Human Knight Rarity: Common Cost: {2}{R} Haste

0: Create a 2/2 white Knight Ally creature token

When Merfolk Wayfinder enters the battlefield

) Copy target instant or sorcery spell

Hell's Thunder [Shards of Alara] Gorgon choose one of your librariesSet: Shards of Alara Type: Creature Elemental Rarity: Rare Cost: {1}{R}{R} Flying, haste At the beginning of the end step, sacrifice Hell's Thunder. Unearth {4}{R} ({4}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)