If youre just running some value equipment, SFM is probably the best bet though keep in mind Open the Armory can get removal in the form of Darksteel Mutation or Ossification
The current Oracle for this card
It can remove most creatures with one or two activations of its ability, so Breya can keep your opponents boards from getting too dangerous as long as you have a consistent way of creating artifacts
RiotRunner789 on When is it Acceptable, if 10 months ago With some digging: Runic Repetition, Karn, the Great Creator, Kaya the Inexorable, and Mirror of Fate can all pull cards from exile (though with restrictions)
Bonecrusher Giant managed to remain dominant in a Standard format overwhelmed by powerful cards
A Casual Guide to CEDH Ben explores CEDH, a competitive take on Commander where high-power decks, fast combos, and efficient interaction define the format