# 2013 Cardfight!! Vanguard #BT05/015EN

> The 2013 Cardfight!! Vanguard card Knight of Friendship, Kay features a Double Rare holo treatment and the BT05/015EN identifier.

Canonical URL: https://supercatch.com/product/cardfight-vanguard-knight-of-friendship-kay-bt05015en-double-rare

## Identity

- **Year**: 2013
- **Brand**: Cardfight!! Vanguard
- **Card Number**: BT05/015EN
- **Featured**: Knight of Friendship, Kay
- **Game**: Cardfight!! Vanguard
- **Rarity**: Double Rare
- **Card type**: Normal Unit
- **Grade**: 1
- **Clan**: Royal Paladin
- **Language**: English
- **Material**: Card Stock
- **Finish**: Holo

## Description

Knight of Friendship, Kay is a Normal Unit from the 2013 Cardfight!! Vanguard release. Identified by the code BT05/015EN, this card belongs to the BT05 set and carries a Double Rare designation. The Double Rare treatment applies a distinct holo finish to the card surface, differentiating it from standard rarity prints within the same checklist. As a Normal Unit, it functions as a foundational piece for players building decks around the Vanguard trading card game mechanics. Collectors who focus on specific set completions often track this card number to ensure their BT05 collection is complete. The combination of the 2013 release year, the specific BT05 set code, and the Double Rare holo variant makes it a recognizable entry for those cataloging the game's early era. The card's identity is defined by its unique classification and the visual texture provided by its rarity tier, offering a tangible connection to the game's history without relying on external narrative elements.

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Editorial content updated: 2026-10-07.

Site deployment: 2025-11-29.