Dunnell, the Noble Arms of Light (The Grand Creators GRCR-EN030) - Rare Yu-Gi-Oh! Card

Equip only to a monster you control. You can only control 1 "Dunnell, the Noble Arms of Light". The equipped monster gains 500 ATK for each monster you control with a different name that mentions "Adventurer Token". If this card is sent to the GY: You can target 1 "Adventurer Token" you control; equip this card to that target. You can only use this effect of "Dunnell, the Noble Arms of Light" once per turn.