Ive talked to quite a few people who play a lot of Pioneer and the general consensus is that Glorybringer is one of the unsung heroes of the format
You need every Godzilla promo (along with the normal-set version of the Godzilla cards, in both foil and non-foil, of course)
Depending on how the League goes, I might also consider Changeling Titan as a neat way to either protect a creature in a Wrath-happy environment or get additional enters-the-battlefield triggers (but there are better ways of doing that)
Once you've hit 3 or less life, you can attack with her, grab a life from the top or bottom of your life pile and then place a card from your hand on top of the life pile
You can find this deck here - Commanding Odric with Crimson Vow | Article by Abe Sargent (coolstuffinc.com))
Yes, it is possible for this card to ruin its owneryou have to be careful with itbut its a nice option for decks that rely on a steady stream of creatures to win