For one, there are a good variety of noncreature spells worth 3 mana or more but to support all that big spending, the deck requires a little more cost-reduction than what is offered here
It's a format that uniquely focuses on teching and meta calls far more than any other Black & White format, which makes it hard to build a gauntlet for
In addition, in the metagame there are some popular Pokemon VMAX present in the format, such as Flying Pikachu VMAX and Ice Rider Calyrex VMAX, and for these cases I decided to bet on two more techs so that Gengar VMAX will be able to reach 310 or 320 damage if necessary, which are Single Strike Energy and Galarian Zigzagoon
Rumors circulate that millions of dollars have been offered for this card, but exact figures remain unclear
Efficient Construction is not the only card with this effect as there have been lots of cards that create artifact tokens when you cast an artifact spell