Once per turn, during the End Phase, if this card is in the Graveyard because it was sent there this turn: You take 1000 damage. When this card is Normal or Special Summoned: You can target 1 "Blackwing" monster you control, then activate 1 of these effects;
• Increase that target's Level by 1.
•Reduce that target's Level by 1.
You can only use this effect of "Blackwing - Decay the Ill Wind" once per turn.
Near Mint / Lightly Played Unlimited - $0.50
Moderately Played Unlimited - $0.50
Heavily Played Unlimited - $0.50
Damaged Unlimited - $0.50
Near Mint / Lightly Played 1st Edition - $0.50
Moderately Played 1st Edition - $0.50
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50