It will only add an extra blue mana for cards with the Island typing, but since that's so many of your lands, this won't be much of an issue
Roaring Moon Roaring Moon is a Dragon/Dark type Pokmon introduced in Generation 9
The calculator uses both the piece count AND the rating to determine impact: 2-piece combo rated S or R: This is a compact, high-power infinite combo (like Thassa's Oracle + Demonic Consultation)
[ Monster Effect ] When your monster is targeted for an attack: You can target 1 of your "Metaphys" monsters that is banished or in your GY
If you are ordering a vintage-style custom card, the finish description tells you what visual experience you are getting
In this case, though, its all of the full-art holofoil editions of Kanto favourites, also known as illustration rares