This spell costs 1 less to cast for each card type among permanents you've sacrificed this turn.
Flying, trample, haste
Whenever Korvold deals combat damage to a player, put X +1/+1 counters on Korvold and draw X cards, where X is the number of permanent types among cards in your graveyard.
Near Mint - $0.60
Lightly Played - $0.50
Moderately Played - $0.40
Heavily Played - $0.40
Damaged - $0.30
Near Mint Spanish - $0.60
Lightly Played Spanish - $0.50
Moderately Played Spanish - $0.40
Heavily Played Spanish - $0.40
Damaged Spanish - $0.30
Foil Prices
Near Mint Foil - $0.90
Lightly Played Foil - $0.70
Moderately Played Foil - $0.60
Heavily Played Foil - $0.60
Damaged Foil - $0.50
Near Mint Foil Spanish - $0.90
Lightly Played Foil Spanish - $0.70
Moderately Played Foil Spanish - $0.60
Heavily Played Foil Spanish - $0.60
Damaged Foil Spanish - $0.50