Card Trivia:Constellar Ptolemy M7


 * Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius.


 * This is the second Xyz Monster after "Number C39: Utopia Ray" to allow you to overlay another Xyz Monster to summon itself.


 * This card for the Sacred is similar to how its predecessor, the Vylon, had Vylon Omega which was also a monster that was the second of it's kind to have a unique summoning mechanic.
 * In this case, Vylon Omega was a Synchro Monster that used Double Tuning to summon itself. The only other monster to use this was Red Nova Dragon.


 * the name Ptolemys comes from a greek astronomer