Gelneus, Fuuma of the Depths:
This card is put into the mana zone tapped. Overdrive Light x1 + Fire x1 + Nature x1 (When this creature is summoned, you may tap an additional 1 Light, 1 Fire, and 1 Nature card in your mana zone. If you do, this creature gains the following [OD] ability). [OD] When this creature is put into the battle zone, return 1 creature in the battle zone to its owner's hand. Then, return one creature from your graveyard to your hand.
