1 Tuner + 1+ non-Tuner monsters
If this card is Special Summoned: You can equip up to 3 Equip Spells with different names from your Deck and/or GY to this card. During the Main Phase (Quick Effect): You can send 1 of your Equip Spells equipped to this card to the GY, then target 1 Effect Monster on the field; either change its battle position, or until the end of this turn, negate its effects. You can only use each effect of "Power Tool Braver Dragon" once per turn.
1 Tuner + 1 or more non-Tuner monsters
Once per turn: You can reveal 3 Equip Spell Cards from your Deck, then your opponent randomly adds 1 of them to your hand, and you shuffle the rest back into your Deck. If this card would be destroyed while equipped with an Equip Spell Card(s), you can send 1 of those cards to the Graveyard instead.
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.