Lord of the Pit [International Collectors' Edition] Cat but which would you rather

but which would you rather have when it's raining

Set: Mythic Edition Type: Legendary Planeswalker — Karn Rarity: Mythic Cost: {4} +1: Reveal the top two cards of your library

that player puts that card onto the battlefield and all other cards revealed this way into their graveyard

Set: Magic 2010 Type: Enchantment Rarity: Rare Cost: {5}{U} Whenever a player casts an instant or sorcery spell

Lord of the Pit [International Collectors' Edition] Cat but which would you ratherSet: International Collectors' Edition Type: Creature Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying, trample At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.