Flying Whenever Aven Courier attacks, choose a counter on a permanent you control. Put a counter of that kind on target permanent you control if it doesn't have a counter of that kind on it.
Near Mint - $1.40
Lightly Played - $1.30
Played - $1.00
Heavily Played - $0.90
Damaged - $0.70
Near Mint Non-English - $1.40
Lightly Played Non-English - $1.30
Played Non-English - $1.00
Heavily Played Non-English - $0.90
Damaged Non-English - $0.70