Toph, Hardheaded Teacher and Toph, the First Metalbender both come with the ability to Earthbend things repeatedly, and that means its not very hard to have a snow Mountain thats a creature
As their HP runs low, you can rinse and repeat the process with a third Pokemon, whether thats Articuno ex again or Gyarados ex
Luckily, there are simple checks you can do to help you determine if cards are fake or real
Im just interested in whats healthiest for the hobby
Thankfully you don't get Lost to Phyrexia's trigger twice because of how attack triggers work
As Wanderwine Farewell is resolving, you'll create Merfolk tokens if you control a Merfolk kindred (or perhaps a kindred permanent with changeling), but Wanderwine Farewell won't count for itself, even though it is a Merfolk spell you control