Omnath

Stages
In order:
 * Omnath, Locust of Mana (G) - Mana.
 * Omnath, Locust of Rage (GR) - Rage.
 * Omnath, Locust of the Roil (GRU) - Zendikar's Roil.
 * Omnath, Locust of the Maelstrom (GRUWB) - Omnath absorbs the mana of the Maelstrom on Alara.
 * Omnath, Locust of Desolation (Either GRUWBC or C) - Omnath absorbs colorless mana.