Doctor Doom, King of Latveria {1}{U}{B}{R}
Legendary Creature — Human Noble Villain
Identity
Grixis
EDHREC rank
#8,577
Cheapest printing
US$3.47
TCGplayer
Printings
2
Whenever you discard one or more land cards, each opponent loses 2 life.
At the beginning of combat on your turn, target Villain you control gains menace until end of turn. It connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)
Keywords: connive
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.