Name: Omnath, Locus of Mana
Type: Legendary Creature — Elemental
Rules Text: Green mana doesn't empty from your mana pool as steps and phases end.
Omnath, Locus of Mana gets +1/+1 for each green mana in your mana pool.
Set/Rarity: From the Vault: Legends Mythic Rare, Worldwake Mythic Rare