Korvold, Gleeful Glutton {5}{B}{R}{G}
Legendary Creature — Dragon Noble
Identity
Jund
EDHREC rank
#17,649
Cheapest printing
US$0.59
TCGplayer
Printings
2
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.
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.