is the digimon card game dying TCG dying? Is Digimon TCG a Dead

Three mana Mana Rocks nowadays wont keep up with the speed of the format, unless there are some additional benefits on the table

205.4 Players may include cards from any printing in their constructed decks if those cards appear in sets allowed in that format (or those cards are specifically allowed by the Magic Tournament Rules)

While it was originally released in 1999 (and 1996 in Japan) as part of the original Base Set of the game, it has been reprinted multiple times

As with kicker spells, you can pay additional costs like bargain when casting cards for free with discover

With the return of delirium, black-green takes the classic approach of getting four or more card types in your graveyard early, then creating an oppressive board state with its graveyard synergies