If the controller controls no other monsters, Number 28: Titanic Moth can attack the opponent directly, but if it does so with its effect, the battle damage inflicted on the opponent is halved
If you want something tangible something that can be framed, gifted, or collected you need a printed card
Like most Magic: The Gathering cards, the value of Voracious Vacuum depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Unstable)
Above: Amarys (SAR) from Terastal Festival ex [SV8a] A recent example of a card with the SAR rarity which barely accumulated any demand at all was the Amarys card from Terastal Festival ex [SV8a]
this card gains 400 ATK until the End Phase
It remains to be seen whether the English edition of the card will remain at this value or if it will follow its foreign counterpart into being valued at ten times or more than what it is currently going for