Sunbird's Invocation [Ixalan Prerelease Promos] Phoenix The book shrieks horribly until

The book shrieks horribly until its cover is opened

Set: Alpha Edition Type: Creature — Elemental Rarity: Rare Cost: {2}{G}{G}{G}{G} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

Set: Commander 2013 Type: Creature — Goblin Rarity: Rare Cost: {2}{R} Goblin Sharpshooter doesn't untap during your untap step

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Set: Darksteel Type: Artifact Rarity: Rare Cost: {5} Indestructible (Effects that say "destroy" don't destroy this artifact

Sunbird's Invocation [Ixalan Prerelease Promos] Phoenix The book shrieks horribly untilSet: 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.