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
Mutants, cryptids, raiders, and more await in this Wasteland tested, Vault-tec approved set
Pelakka Predation (Zendikar Rising) You think migraines are bad
It will have its own banned card list maintained.
Making a lot of mana just for attacking is great, and it remains between steps and phases.
He is one of the best things you can equip in the cube not just because he is cheap and hexproof but also because it allows you to get much more use out of the attacking proc