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The best bit about this effect is that it only costs 1 XYZ material to activate, meaning you can reuse this effect, giving you two whole turns of protection from any graveyard shenanigans
all "Mythical Beast" Pendulum Monsters have the same Pendulum Scale of 4, making it impossible to Pendulum Summon with just these cards, and complicating Pendulum Summons with other Pendulum Scales since 4 is a middling number
Chimeratech Rampage Dragon, which can be summoned using Cyberload Fusion, requires two or more Cyber Dragons as materials, and it has multiple effects that can blow up the oppositions gameplan
Among them , the skyscraper - Skyscraper - can be searched with Elemental Hero Captain Gold, so it is good to have
Nevertheless, most important of all is the fact that the Seal of Orichalcos would steal the soul of the loser , making all games a matter of life or death