According to rule 702.26 a
It's themed to generally look after various other cards from Hyper Coliseum, used in Digimon Tamers, even though the blue card itself never had a card in that style previously (as far as I recall), although it appears to have taken some inspiration from the version of the card in Battle Spirits
You'd think that with her conservative turtleneck sweater, there's no way she'd make the list, but think again - Wicke is defying the laws of physics and has rightfully claimed her spot at #2
So well frequently be able to drop a creature on turn two, then Clav turn three, and immediately trigger Clav by attacking with the other creature
Read card effects, understand timing and chains 4
Then, of course there is Black Market, which is just absurd in a deck thats interested in killing its own creatures