Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Creatures with power less than Shrill Howler's power can't block it.: Transform Shrill Howler.Creatures with power less than Howling Chorus's power can't block it.Whenever Howling Chorus deals combat damage to a player, create a 3/2 colorless Eldrazi Horror creature token.
When Gluttonous Guest enters, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")Whenever you sacrifice a Blood token, you gain 1 life.
When Gluttonous Guest enters, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")Whenever you sacrifice a Blood token, you gain 1 life.
Cryptolith Fragment enters tapped.: Add one mana of any color. Each player loses 1 life.At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.Flying, deathtouchWhenever Aurora of Emrakul attacks, each opponent loses 3 life.