When an opponent's monster declares an attack: Target 1 'Speedroid' monster in your Graveyard; banish both it and 1 'Speedroid' Tuner monster in your hand, and if you do, Special Summon 1 Synchro Monster from your Extra Deck whose Level equals the total original Levels of the banished monsters. During your opponent's Battle Step: You can banish this card from your Graveyard, then target 1 Attack Position Synchro Monster on each side of the field; the opponent's monster attacks your monster, and perform damage calculation.
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