a "Cyber Dragon" player's opponent can use all the "Cyber Dragon" monsters and Machine monsters on the established "Cyber Dragon" field into materials to summon "Fortress Dragon" and "Megafleet Dragon", demolishing the field without giving a chance for a counterplay.
But when they are worth a lot, they can be worth an incredible amount
Players could make things up to retain their indestructibility - which was fine, since these were merely collectibles never designed for legal use in any official capacity
You can't look at face-down permanents you don't control unless an effect allows you to or instructs you to
They're also four cards that function very similarly and have played key roles in various decks over time
Attack!" followed by "Soul Blade!" When Joey activates either of that monster's effects, he announces, "I activate Gilti-Gearfrieds effect!" When Joey Summons "Immortal Phoenix Gearfried", a cut-in frame of Joey briefly appears, and he announces, "Immortal Phoenix Gearfried!" Most of the time when Joey attacks with that monster, he announces, "Immortal Phoenix Gearfried
