2 "Rokket" monsters
Once per turn: You can target 1 other face-up monster on the field; it gains 500 ATK/DEF. Your opponent cannot activate cards or effects in response to this effect's activation. If this Link Summoned card is destroyed by battle or card effect and sent to the GY: You can target 1 other Dragon monster in your GY; Special Summon it. You can only use this effect of "Booster Dragon" once per turn.