yu gi oh master duel slifer the sky dragon deck YuGiOh 2019 Gold Sarcophagus Tin TN19-EN008 After you have Slifer on the field NEW EGYPTIAN SKY GOD -

Given that this legend specifically appeared as part of the Spideys Spectacular Showdown Scene Box, copies are rather scarce

Then you build a deck from what you picked and play

If placed on itself, it remains on the battlefield and the counters are removed

Realms and Relics Box Toppers Early in the design process, the design team went through The Lord of the Rings and identified characters, creatures, locations, and items of Middle-earth to plan out how and where each would show up and at which frequency

The deck might not be bad, it might require some more experience in making these choices

Of note, Special Guests cards aren't found in the wildcard nor traditional foil slot in Play Boosters