No, counters of any kind stay on a transformed card
At a casual or precon-level table, absolutely
Hayes At some point in history, Gatherer was the go-to option when players wanted to find specific types of cards, or if they wanted to check for updates to a cards wording and rules texts
You need: Three Hoothoot (Temporal Forces, 126) Three Bouffalant (Stellar Crown, 119) Two Noctowl (Temporal Forces, 127) Two Terapagos ex (Stellar Crown, 128) Two Snorlax (Lost Origin, 143) One Lumineon V (Brilliant Stars, 40) One Fezandipiti ex (Shrouded Fable, 38) One Noctowl (Stellar Crown, 115) One Fan Rotom (Stellar Crown, 118) One Radiant Greninja (Astral Radiance, 46) The Bouffalant help to mitigate damage, while Fan Rotom, Radiant Greninja, and Lumineon V make finding specific cards to set up with a lot easier
Ok Chansey #187 (Pokemon Twilight Masquerade) Details All prices are the current market price
So there will be no exchange at all