R.B. The Brute Blues

2+ Machine monsters
Gains the following effects while this card points to an "R.B." monster.
● Gains ATK equal to the total original ATK of "R.B." monsters it points to.
● Can make a second attack during each Battle Phase.
● Cannot be destroyed by battle or card effects.
During your Main Phase: You can add 1 "R.B." card from your Deck to your hand. You can only use this effect of "R.B. The Brute Blues" once per turn.