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.
NM-Mint - $2.20
Lightly Played - $2.00
Moderately Played - $1.70
Heavily Played - $1.50
Damaged - $1.10
NM-Mint Non English - $2.20
Lightly Played Non English - $2.00
Moderately Played Non English - $1.70
Heavily Played Non English - $1.50
Damaged Non English - $1.10