Cloudstone Curio [Ravnica: City of Guilds] Zombie Spirit Once per turn: You can

Once per turn: You can discard 1 card to target 1 face-up monster on the field with original ATK less than the ATK of this card

Set: Sun & Moon: Lost Thunder Type: Psychic Rarity: Promo Retreat cost: 1

if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase): You can send this card from your hand to the Graveyard

If you control a face-up Worm Yagan

Cloudstone Curio [Ravnica: City of Guilds] Zombie Spirit Once per turn: You canSet: Ravnica: City of Guilds Type: Artifact Rarity: Rare Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand. It *wants* to remain a mystery, banishing the curious in favor of less inquisitive company.