Niambi, Esteemed Speaker {W}{U}
Legendary Creature — Human Cleric
Identity
Azorius
EDHREC rank
#14,484
Cheapest printing
US$0.32
TCGplayer
Printings
4
Flash
When Niambi enters, you may return another target creature you control to its owner's hand. If you do, you gain life equal to that creature's mana value.
{1}{W}{U}, {T}, Discard a legendary card: Draw two cards.
Keywords: flash
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.