Cillian Darcy (Team X)

Cillian Darcy is the Main Male Protagonist of Yu-Gi-Oh!: Team-X. He is Kino's Older Twin Brother and Principal Celestia's Foster Son.

Yu-Gi-Oh!: Team-X Series 1
Cillian appeared in the first episode of the Series as the Loner after loss of his childhood friend.

Deck
Cillian use  a "Tachyon Dragon" Deck, focusing on his ace card, "Number 107: Galaxy-Eyes Tachyon Dragon", Summoned using Dragon-Type monsters that can either Special Summon themselves or modify theirLevels to 8. Once it is Summoned, he focuses on replenishing its Overlay Units through cards such as "Energy Attractor" and "Instant Overlay". He later gains access to "Rank-Up-Magic - The Seventh One" through theBarian's Chaos Draw, allowing him to Rank-Up "Tachyon Dragon" from his Graveyard or Extra Deck.