RPvE Nature/Frost/Stone help plz

Hey mates, Its a long time since Battleforge and me and a friend of mine have started playing again. Now we have some troubles playing RPvE over T6. My friend already with T5. I play a Nature/Frost/Stone deck like this: I plan in T2: Mountaineer T3: Rageflame T4: second Gemeye Thats how I played most games in PvE in old times. Could I reach with them RPvE 9 /10? Or is it not possible? I´m not a fan of Shadow but, I had Fire T3 with Magmahurler befor

Here is a deck i use for almost everything. rPVE and quite some expert maps, can be done with it. Maybe you will find fun and inspiration with the combination of matter mastery and frontier keep(fire aff) Still liking my bandits a bit more though xD I use Shrine of Memory but you could also easily use Shrine of Martyrs for more synergy...i just use Memory because it performs better when i am not 100% awake and don't have winter witch in the deck (which is as stated a nice additi