'His studies delved deep into eldritch lore and forbidden tomes, leading him further towards the tempest.'
Continuous [V]: While there is a 'Gathering Storm, Cetus' in your Soul, this Unit gains 1000 Power.
Auto: When a 'Prophet of the Tempest, Cetus' Rides this Unit, if there is a 'Gathering Storm, Cetus' in your Soul, you may reveal 1 Grade 3 <Mourning Tide> in your hand. If you do, search your deck for a Unit with the same name as the revealed Unit, and add it to your hand. Then, shuffle your deck.