Flying Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it. Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.
NM-Mint - $1.70
Lightly Played - $1.50
Moderately Played - $1.30
Heavily Played - $1.20
Damaged - $0.90
NM-Mint Non English - $1.70
Lightly Played Non English - $1.50
Moderately Played Non English - $1.30
Heavily Played Non English - $1.20
Damaged Non English - $0.90
Foil Prices
NM-Mint Foil - $6.60
Lightly Played Foil - $6.00
Moderately Played Foil - $5.30
Heavily Played Foil - $4.70
Damaged Foil - $3.30
NM-Mint Foil Non English - $6.60
Lightly Played Foil Non English - $6.00
Moderately Played Foil Non English - $5.30
Heavily Played Foil Non English - $4.70
Damaged Foil Non English - $3.30