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.
Near Mint - $0.40
Lightly Played - $0.40
Moderately Played - $0.30
Heavily Played - $0.30
Damaged - $0.20
Near Mint Spanish - $0.40
Lightly Played Spanish - $0.40
Moderately Played Spanish - $0.30
Heavily Played Spanish - $0.30
Damaged Spanish - $0.20
Foil Prices
Near Mint Foil - $2.40
Lightly Played Foil - $1.90
Moderately Played Foil - $1.70
Heavily Played Foil - $1.50
Damaged Foil - $1.20
Near Mint Foil Spanish - $2.40
Lightly Played Foil Spanish - $1.90
Moderately Played Foil Spanish - $1.70
Heavily Played Foil Spanish - $1.50
Damaged Foil Spanish - $1.20