There still is risk in running these maindeck in a format where you can easily get run over by a Lorehold or Silverquill strategy Speaking of getting run over, Karok is a pretty useful answer to early game threats, such as the various 2 and 3 power creatures in Lorehold and Silverquill
Even though the Digimon Card Game is one of the most cost-friendly TCGs out at the moment, some of the harder-to-find promos can run up the bill by quite a few zeroes
Since it only costs two mana, Inventory Management lets you avoid paying for expensive costs, like those on Colossus Hammer
She starts as a humble 1/1, but every Elf that enters under your control adds a +1/+1 counter to her
And during your battle phase, if a monster that this card points to is destroyed by battle or sent to the graveyard (ideally the card pointed at by this cards up arrow), then you can have Decode Talker Extended attack all over again
Currently, the cheapest copy of Miku, Divine Diva on TCGplayer is going for $70.50