At the beginning of combat on your turn, put a number of +1/+1 counters equal to Maester Seymour's power on another target creature you control. {3}{G}{G}: Monstrosity X, where X is the number of counters among creatures you control. (If this creature isn't monstrous, put X+1/+1 counters on it and it becomes monstrous.)
NM-Mint - $0.30
Lightly Played - $0.30
Moderately Played - $0.30
Heavily Played - $0.30
Damaged - $0.20
NM-Mint Non English - $0.30
Lightly Played Non English - $0.30
Moderately Played Non English - $0.30
Heavily Played Non English - $0.30
Damaged Non English - $0.20