2+ monsters, including an "R.B." monster
Gains 500 ATK for each monster you control, except this card. You can only use each of the following effects of "R.B. Shepherd's Crook" once per turn. During your Main Phase: You can Set 1 "R.B." Trap from your Deck or GY. During your opponent's Main Phase (Quick Effect): You can target 3 Level 3 or higher "R.B." monsters in your GY; place 2 on the bottom of the Deck in any order, and if you do, Special Summon the other in Defense Position.
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.
2 Machine monsters
If this card is Link Summoned: You can add 1 "R.B." Spell from your Deck to your hand. If this card is in the Extra Monster Zone: You can Special Summon 1 "R.B." monster from your hand or GY in Defense Position, then you can move this card you control to another of your Main Monster Zones, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Machine monsters with 1500 or less ATK. You can only use each effect of "R.B. VALCan Booster" once per turn.