As Six-y Beast enters the battlefield, you secretly put six or fewer +1/+1 counters on it, then an opponent guesses the number of counters. If that player guesses right, sacrifice Six-y Beast after it enters the battlefield.
NM-Mint - $0.30
Lightly Played - $0.20
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.20
NM-Mint Non English - $0.30
Lightly Played Non English - $0.20
Moderately Played Non English - $0.20
Heavily Played Non English - $0.20
Damaged Non English - $0.20
Foil Prices
NM-Mint Foil - $1.50
Lightly Played Foil - $1.40
Moderately Played Foil - $1.30
Heavily Played Foil - $1.20
Damaged Foil - $1.00
NM-Mint Foil Non English - $1.50
Lightly Played Foil Non English - $1.40
Moderately Played Foil Non English - $1.30
Heavily Played Foil Non English - $1.20
Damaged Foil Non English - $1.00