Unlike other spells from the list, this is among the worst since you cant choose the cards your opponents put into exile
Mishras were already in
Obviously he doesn't protect himself, and can get killed off fairly quickly, but Rex is going to be limited by your ability to generate Energy and then snap up target cards, which is quite a lot of work
While having a deck full of Basic Pokmon isnt the worst option at the beginning, youll want to start including stronger evolution cards that can upgrade your Basic Pokmon once you start receiving more cards from Booster Packs
Weve been doing that since 2013
I want to scry as much as possible, so Retreat to CoralhelmRetreat to Coralhelm, Season of GrowthSeason of Growth, and Elrond, Lord of RivendellElrond, Lord of Rivendell felt like no-brainers here