yugioh zushin deck the Sleeping Giant DRL3-EN018 sleeping giant zixin - NamuWiki

The set of artifacts affected by Ghirapur's first ability is determined as the ability resolves

Poseidra Abyss, the Atlantean Dragon Lord X WATER Rank 7 [ Sea SerpentXyzEffect ] ATK 3000 DEF 1800 3 Level 7 monsters Once per turn, you can also Xyz Summon "Poseidra Abyss, the Atlantean Dragon Lord" by using 1 "Atlantean" or "Mermail" Xyz Monster you control (transfer its materials to this card)

That not only makes this Black Lotus the most valuable of its kind, it also makes it the highest-priced Magic: The Gathering card ever sold

Now those enchantments read enchant creature in their rules text

Because it has Harmonize