T'Chaka, Venerable King {G}{W}
Legendary Creature — Human Noble Hero
Identity
Selesnya
EDHREC rank
#20,278
Cheapest printing
US$0.17
TCGplayer
Printings
3
When T'Chaka enters, mill three cards, then you may put an artifact or land card from among the milled cards into your hand.
{3}, Exile this card from your graveyard: You become the monarch. Activate only if you control your commander.
Keywords: mill
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.