Lonis, Cryptozoologist {G}{U}
Legendary Creature — Snake Elf Scout
Identity
Simic
EDHREC rank
#5,275
Cheapest printing
US$0.28
TCGplayer
Printings
5
Whenever another nontoken creature you control enters, investigate.
{T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.
Keywords: investigate
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.