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A one-time redeemable code will unlock 24 pack hourglasses and 12 wonder hourglasses within the game those can be used to open two digital booster packs and select one randomized digital card as part of the Wonder Pick feature

As to the original question, considering the above: I personally like custom cards, but only if done well

This effect isnt once per turn either meaning if you can get this card back into your hand from the graveyard, you can special summon it all over again

It can produce a board or make an existing board lethal, all without endangering itself

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