Gemstone Caverns [The List] Warrior You can only use this

You can only use this effect of "Super Cocoon of Evolution" once per turn

when your opponent activates a Spell/Trap Card

This attack does 20 damage to 1 of your opponent's Benched Pokémon

That creature's controller draws X cards

Gemstone Caverns [The List] Warrior You can only use thisSet: The List Type: Legendary Land Rarity: Rare If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.