When a creature encoded with Stolen Identity phases out, the connection between these objects is lost because rule 702.99c uses for as long as. If your devotion to blue is five and Thassa, God of the Sea phases out, then the game no longer sees it, your devotion to blue drops to four and Thassa ceases to be a creature
Each one can also be cast converted by paying the More Than Meets the Eye cost on its front face
In fact, out of all the preconstructed decks, Breed Lethality is the one that has the tightest, most focused single-themed deck out of the bunch, so if you want to play a +1/+1 counter deck there's not much you really need to change about it
2020 10x, and 2023 summer 3x
It's always pretty hard to take advantage of cards that let you put a land from your hand on the battlefield, mostly because you don't usually ahve a whole bunch of extra lands in your hand