Flying Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Near Mint - $0.50
Lightly Played - $0.47
Moderately Played - $0.40
Heavily Played - $0.30
Damaged - $0.25
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.47
Moderately Played Non-English - $0.40
Heavily Played Non-English - $0.30
Damaged Non-English - $0.25