ZEXAL episode 14: "The Number Hunter, Part 2" Yu-Gi-Oh
At the end of the Damage Step, if this card battled an opponent's monster: Inflict damage to your opponent equal to that opponent's monster's ATK, also you gain LP equal to that opponent's monster's DEF
While on the field, it acts as an extender by allowing you to Special Summon more Dragon Rulers from the deck or banishment
Rather than opting for a straight-up best deck, you should base your choice on your familiarity with the game, or your play style, so we've pointed out which deck suits which type of duellist
For the rest of this turn after this card resolves, you cannot Special Summon from the Extra Deck, except Machine monsters with 1500 or less ATK
Not only can you do it, but you can also steal the opponent's rank 5 or 6 and use it as a guide