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"Dragon's Mirror" can also be included as a last resort, because if all else fails, it can be used to Summon "Five-Headed Dragon" or "First of the Dragons" for the finishing blow, because your opponent will have likely already exhausted most of their resources to deal with "Buster Blader, the Dragon Destroyer Swordsman", "Crystal Wing Synchro Dragon", and especially "Beelze of the Diabolic Dragons" and "Red-Eyes Flare Metal Dragon"

Special Summon Couse from the S/T Zone

If a creature with persist that has +1/+1 counters on it receives enough -1/-1 counters to cause it to be destroyed by lethal damage or put into its owner's graveyard for having 0 or less toughness, persist won't trigger and the card won't return to the battlefield

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