Rain of Gore [Dissension] Cat Advisor The first spell you cast

The first spell you cast each turn that mana from a Treasure was spent to cast has cascade

“You must start somewhere and have some roots

Set: Kaladesh Inventions Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{R}{R} First strike

rocks scorched

It is found here

Rain of Gore [Dissension] Cat Advisor The first spell you castSet: Dissension Type: Enchantment Rarity: Rare Cost: {B}{R} If a spell or ability would cause its controller to gain life, that player loses that much life instead. "Stay indoors, away from what seeps over the thresholds. This is the Demon's work, and only ill can come of it." Belko, owner of Titan's Keg tavern