1 Tuner + 1 or more non-Tuner monsters
During your turn, when an Equip Spell Card(s) 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 appropriate face-up Equip Card on the field; equip that target to this card.