Kotis, the Fangkeeper {1}{B}{G}{U}
Legendary Creature — Zombie Warrior
Identity
Sultai
EDHREC rank
#5,286
Cheapest printing
US$0.36
TCGplayer
Printings
4
Indestructible
Whenever Kotis deals combat damage to a player, exile the top X cards of their library, where X is the amount of damage dealt. You may cast any number of spells with mana value X or less from among them without paying their mana costs.
Keywords: indestructible
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.