Bladewing's Thrall has flying as long as you control a Dragon. When a Dragon enters the battlefield, you may return Bladewing's Thrall from your graveyard to the battlefield.
At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature. At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave.
Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.
Enchant creature Enchanted creature gets +1/+0 and has fear. When a creature with mana value 6 or greater enters the battlefield, you may return Dragon Shadow from your graveyard to the battlefield attached to that creature.