R.B. Operation Test (Super Rare)

When this card is activated: You can target 1 Level 3 or higher "R.B." monster in your GY, Special Summon it. You can target any number of "R.B." monsters you control, gain LP equal to their combined original ATK, and if you do, return them to the hand/Extra Deck, then you can Special Summon 1 "R.B." monster from your hand. You can only use this effect of "R.B. Operation Test" once per turn. You can only activate 1 "R.B. Operation Test" per turn.