Sunbird's Invocation [Ixalan Prerelease Promos] Phyrexian Wurm That creature becomes an artifact

That creature becomes an artifact in addition to its other types

Cave-In deals 2 damage to each creature and each player

"To examine the causes of life

" —Greven *il*-Vec

Sunbird's Invocation [Ixalan Prerelease Promos] Phyrexian Wurm That creature becomes an artifactSet: Ixalan Prerelease Promos Type: Enchantment Rarity: Rare Cost: {5}{R} Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.