Torrential Gearhulk (Prerelease) [Kaladesh Prerelease Promos] Portal Three Kingdoms Promos Whenever Biblioplex Kraken attacks

Whenever Biblioplex Kraken attacks

Set: The Lost Caverns of Ixalan Commander Type: Creature — Vampire Soldier Rarity: Rare Cost: {1}{W} Vigilance

Dragon of the Revolutionary Army

you may cast an instant or sorcery spell from your hand without paying its mana cost

Jund's dragons hoard only sangrite crystals

Torrential Gearhulk (Prerelease) [Kaladesh Prerelease Promos] Portal Three Kingdoms Promos Whenever Biblioplex Kraken attacksSet: Kaladesh Prerelease Promos Type: Artifact Creature Construct Rarity: Mythic Cost: {4}{U}{U} Flash When Torrential Gearhulk enters the battlefield, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard this turn, exile it instead.