It might be what you need, though
A creature with a shield counter on it may still be destroyed by state-based actions if it has damage marked on it equal to its toughness or has been dealt unpreventable damage by a source with deathtouch
He also generates value through card draw provided you have a suite of geared-up creatures
Notably, bolster and proliferate effects dont target, so they dont trigger heroic abilities
But even though there are some other great pieces of interaction, Im going to focus on new cards from this Universes Beyond MTG set, as thats what youll be buying these booster packs for
Back it up with protection from Lightning Greaves, Swiftfoot Boots, or Mithril Coat, and you can often go the distance in just a couple of attacks