Trepanation Blade is a wonky piece of gear
It's very hard to interact with paradigm spells outside of burning a counterspell every turn, you just have to get over the hump of resolving the first 7-mana spell and ride the value every turn thereafter
If Sheltered by Ghosts leaves the battlefield before its triggered ability resolves, the target permanent won't be exiled at all
Im quite the fan of burn-based combos, from my Neheb, the Eternal Commander deck to my Chandra Oathbreaker competitive brew
Given the nature of the set and the four Precon decks that are coming with it, heres how this is going to work: Ill make one prediction centered around each of the four separate Precon decks, and then one overall prediction for the entire set
Even later, these bonuses would be tied to a tribe, like Armament Master: But now you get a nasty 3/6 flying, double strike body who puts all equipment on her for free when she arrives on the battlefield and pumps your entire team for each one on her