Name:Metathran Aerostat ManaCost:2 U U Types:Creature Metathran PT:2/2 K:Flying A:AB$ ChangeZone | Cost$ X U | Origin$ Hand | Destination$ Battlefield | ChangeType$ Creature.cmcEQX | References$ X | ChangeNum$ 1 | RememberChanged$ True | SubAbility$ DBReturn | SpellDescription$ You may put a creature card with converted mana cost X from your hand onto the battlefield. If you do, return CARDNAME to its owner's hand. SVar:DBReturn:DB$ ChangeZone | Origin$ Battlefield | Destination$ Hand | Defined$ Self | ConditionDefined$ Remembered | ConditionPresent$ Creature | ConditionCompare$ EQ1 | SubAbility$ Cleanup SVar:X:Count$xPaid SVar:Cleanup:DB$ Cleanup | ClearRemembered$ True SVar:RemAIDeck:True SVar:Picture:http://www.wizards.com/global/images/magic/general/metathran_aerostat.jpg Oracle:Flying\n{X}{U}: You may put a creature card with converted mana cost X from your hand onto the battlefield. If you do, return Metathran Aerostat to its owner's hand.