High Tide on Fire Island (LTGY-EN078) - Lord of the Tachyon Galaxy Unlimited

If you control a Level 7 or higher WATER of FIRE monster: Apply the appropriate, in sequence, depending on the Attributes of monsters you control at that time. // * WATER: Special Summon as many WATER monsters as possible that were sent to your GRaveyard to activate monster effects this turn, then destroy 1 monster you control. // * FIRE: Destroy 1 monster on the field, then if you have any cards in your hand, discard 1 card to the Graveyard.