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 - $6.90
Lightly Played - $6.30
Played - $4.90
Heavily Played - $4.20
Damaged - $3.50
Near Mint Non-English - $6.90
Lightly Played Non-English - $6.30
Played Non-English - $4.90
Heavily Played Non-English - $4.20
Damaged Non-English - $3.50