Xyris, the Writhing Storm {2}{G}{U}{R}
Legendary Creature — Snake Leviathan
Identity
Temur
EDHREC rank
#4,638
Cheapest printing
US$1.71
TCGplayer
Printings
3
Flying
Whenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token.
Whenever Xyris deals combat damage to a player, you and that player each draw that many cards.
Keywords: flying
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.