how to use dungeon cards mtg Magic the Gathering to Build Dungeons & Dragons Encounters Venture into dungeon”? : r/mtg

If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has At the beginning of your upkeep, you may turn this creature face down. Vesuvan Shapeshifter normally costs five mana, but you can cast it as a morph card for three, and then it only costs two mana to flip

That is, they're presented as cards all their own rather than using the Godzilla cards method of having the Godzilla card be essentially an alternate skin, as shown below here: This was a sweet and elegant solution that could have easily been applied here - even if they were to cards that didn't already exist

If you have a particular aversion to counterspells, you could even run cards like Destiny Spinner

The tokens created by myriad enter the battlefield normally, so any enters the battlefield effects on the copied creature trigger for each token