Advances in Cryptology EUROCRYPT 2016
We already use one Extra Monster Zone, so we can't use the other one, but Darkfluid unlocks two Main Monster Zones for us to use
Once per turn, when a monster effect activated by your opponent resolves, you can detach 1 material from a "Ryzeal" Xyz Monster you control, and if you do, negate that effect
Earth/Rock/3/900/300 When this card battles with an opponent's monster, you may return this card and that opponent's monster to respective owner's hand without doing Damage Calculation
This does nothing about the Special Summon restrictions, but it does limit the presence of this card
Monsters 3 Red-Eyes Black Dragon 3 Black Metal Dragon 2 The Black Stone of Legend 1 Red-Eyes Baby Dragon 1 Red-Eyes Iron Knight - Gear Fried 2 Celestial Red Souls 2 Red-Eyes Black Star Dragon 1 Red-Eyes Alternative Black Dragon 1 Red-Eyes Black Flare Dragon 1 Red-Eyes Darkness Metal Dragon 1 Summoned Skull 2 Rokket Synchron 1 Omni Dragon Brotaur Magic 1 Harpie's Feather Duster 3 sheets Red-Eyes Insight 1 One for One 2 Cards of the Red Stone 2 cards Inferno Fire Blast 1 sheet Dragon Shrine 3 Red-Eyes Fusion 2 Cards of the Dragon Lords 2 cards Inferno Fire Blast Trap 2 Red-Eyes Spirit 1 Red-Eyes Fang with Chain 1 Return of the Red-Eyes Extra 1 Red-Eyes Slash Dragon 1 Scarlight Red Dragon Archfiend 2 Meteor Black Comet Dragon 1 Black Skull Dragon (Updated from: B