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 - $0.70
Lightly Played - $0.70
Played - $0.50
Heavily Played - $0.50
Damaged - $0.40
Near Mint Non-English - $0.70
Lightly Played Non-English - $0.70
Played Non-English - $0.50
Heavily Played Non-English - $0.50
Damaged Non-English - $0.40
Foil Prices
Near Mint Foil - $3.60
Lightly Played Foil - $3.20
Played Foil - $2.50
Heavily Played Foil - $2.20
Damaged Foil - $1.80
Near Mint Foil Non-English - $3.60
Lightly Played Foil Non-English - $3.20
Played Foil Non-English - $2.50
Heavily Played Foil Non-English - $2.20
Damaged Foil Non-English - $1.80