Rutile

Rutile are a series of cards that either include "Rutile" in its card name, or support (or are supported by) these cards.

Nova Grappler

 * Gold Rutile

Nova Grappler

 * Forger of the Golden Blades, Anatase
 * Obsidian Brookite
 * Crimson Geikielite

Trivia

 * Every card in this series is named after the three mineral forms of Titanium Oxide.