Dragon Mastery

Yu-Gi-Oh Card: Dragon Mastery
Available from these partners:
Dragon Mastery
Type:Continuous Spell
Text:Each monster you control that is equipped with 1 or more "Dragunity" monster(s) gain 500 ATK. Once per turn, you can select 1 face-up monster you control, and equip it with 1 Dragon-Type "Dragunity" monster from your hand.
Printings: Dragunity Legion Structure Deck (SDDL-EN022)