Name:Possessed Aven
ManaCost:2 U U
Types:Creature Bird Soldier Horror
PT:3/3
K:Flying
S:Mode$ Continuous | Affected$ Card.Self | AddPower$ 1 | AddToughness$ 1 | SetColor$ Black | AddAbility$ Destroy | Condition$ Threshold | Description$ Threshold — As long as seven or more cards are in your graveyard, CARDNAME gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target blue creature."
SVar:Destroy:AB$ Destroy | Cost$ 2 B T | ValidTgts$ Creature.Blue | TgtPrompt$ Select target blue creature | SpellDescription$ Destroy target blue creature.
SVar:Picture:http://www.wizards.com/global/images/magic/general/possessed_aven.jpg
Oracle:Flying\nThreshold — As long as seven or more cards are in your graveyard, Possessed Aven gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target blue creature."