Omnath, Locus of Mana{2}{G}
Legendary Creature — Elemental
You don't lose unspent green mana as steps and phases end.
Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.
From the Roil emerged a ravenous primordial being of pure mana.
1/1
Artista: Chase Stone