This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.
NM-Mint - $1.00
Lightly Played - $0.90
Moderately Played - $0.80
Heavily Played - $0.70
Damaged - $0.50
NM-Mint Non English - $1.00
Lightly Played Non English - $0.90
Moderately Played Non English - $0.80
Heavily Played Non English - $0.70
Damaged Non English - $0.50
Foil Prices
NM-Mint Foil - $2.90
Lightly Played Foil - $2.60
Moderately Played Foil - $2.30
Heavily Played Foil - $2.10
Damaged Foil - $1.50
NM-Mint Foil Non English - $2.90
Lightly Played Foil Non English - $2.60
Moderately Played Foil Non English - $2.30
Heavily Played Foil Non English - $2.10
Damaged Foil Non English - $1.50