Cumulative upkeep {W} or {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Jötun Owl Keeper dies, create a 1/1 white Bird creature token with flying for each age counter on it.
Near Mint - $100
Lightly Played - $100
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $100
Lightly Played Spanish - $100
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100
Foil Prices
Near Mint Foil - $1.100
Lightly Played Foil - $900
Moderately Played Foil - $800
Heavily Played Foil - $700
Damaged Foil - $600
Near Mint Foil Spanish - $1.100
Lightly Played Foil Spanish - $900
Moderately Played Foil Spanish - $800
Heavily Played Foil Spanish - $700
Damaged Foil Spanish - $600