1 Tuner + 1 or more non-Tuner monsters
During your turn, when an Equip Spell Card is equipped to this card: You can draw 1 card. You can only use this effect of 'Power Tool Mecha Dragon' once per turn. Once per turn, during either player's turn: You can target 1 face-up Equip Card on the field that can be equipped to this card; equip it to this card.