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You can boost it even further with Korina for another +30 damage, while Arena of Antiquity adds +20

It is difficult to play an active role in the current situation because it cannot be used as a damage test, but it is possible to jump out of Dragosack and the like

Special Summon 1 "MK- Sub-Zero" from your graveyard to your side of the field

If you control no monsters, or all monsters you control are Machine monsters you can activate these effects: You can Special Summon this card from your hand, then you can reveal 1 Machine monster in your hand, and if you do, Special Summon the revealed Machine monster from your hand, also its Level becomes 9, until the end of this turn