Omnath, Locus of ManaCasting Cost: Card Type: Legendary Creature - ElementalPower/Toughness: 1/1Card Text:
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.Flavour Text:
From the Roil emerged a ravenous primordial being of pure mana.