Water Dragon [DR04-EN075] Rare Duel Master's Guide You can only use this

You can only use this effect of "Photon Orbital" once per turn

Set: High-Speed Riders Card type: Synchro/Effect Monster Rarity: Super Rare Attack: 2400 Defense: 1800 1 Tuner + 1 or more non-Tuner monsters If this card is Special Summoned

and it is sent to the Graveyard during the End Phase of that turn

also this card can attack all monsters your opponent controls

you can equip it to your "X-Head Cannon" or "Y-Dragon Head" as an Equip Spell Card

Water Dragon [DR04-EN075] Rare Duel Master's Guide You can only use thisSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 2800 Defense: 2600 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Bonding H2O". The ATK of FIRE monsters and Pyro Type monsters becomes 0. When this card is destroyed and sent to the Graveyard, you can Special Summon 2 "Hydrogeddons" and 1 "Oxygeddon" from your Graveyard.