Name:Bladewing's Thrall
ManaCost:2 B B
Types:Creature Zombie
PT:3/3
S:Mode$ Continuous | Affected$ Card.Self | AddKeyword$ Flying | CheckSVar$ X | SVarCompare$ GE1 | Description$ CARDNAME has flying as long as you control a Dragon.
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Dragon | TriggerZones$ Graveyard | OptionalDecider$ You | Execute$ TrigReturn | TriggerDescription$ When a Dragon enters the battlefield, you may return CARDNAME from your graveyard to the battlefield.
SVar:TrigReturn:AB$ChangeZone | Cost$ 0 | Defined$ Self | Origin$ Graveyard | Destination$ Battlefield
SVar:X:Count$Valid Dragon.YouCtrl
SVar:BuffedBy:Dragon
SVar:Picture:http://www.wizards.com/global/images/magic/general/bladewings_thrall.jpg
Oracle:Bladewing's Thrall has flying as long as you control a Dragon.\nWhen a Dragon enters the battlefield, you may return Bladewing's Thrall from your graveyard to the battlefield.