Kiora, Sovereign of the Deep [March of the Machine: The Aftermath]

Set: March of the Machine: The Aftermath Type: Legendary Creature — Merfolk Noble Rarity: Mythic Cost: {3}{G}{U} Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.