Omnath, Locus of Mana {2}{G}
Legendary Creature — Elemental
GreenCommander: legal
Identity
Green
EDHREC rank
#3,734
Cheapest printing
US$4.10
TCGplayer
Printings
7
You don't lose unspent green mana as steps and phases end.
Omnath gets +1/+1 for each unspent green mana you have.
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
Textured Foil
Omnath, Locus of Mana
CMM · 1063
TCGplayer market
US$30.07
Foil Etched
Omnath, Locus of Mana
CMM · 568
TCGplayer market
US$9.44
Omnath, Locus of Mana
V11 · 7
TCGplayer market
US$9.17
Borderless
Omnath, Locus of Mana
CMM · 680
TCGplayer market
US$7.03
Omnath, Locus of Mana
WWK · 109
TCGplayer market
US$5.73
Omnath, Locus of Mana
CC1 · 2
TCGplayer market
US$4.23
Omnath, Locus of Mana
CMM · 310
TCGplayer market
US$4.10
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.