There's also what Wizards refers to internally as ' snap-on equipment .' This isn't a named mechanic, but rather refers to the type of equipment that automatically attaches to creatures once it enters the battlefield, like Embercleave or Mithril Coat
While this is how I chose to upgrade this deck, that doesnt mean its the only way
They do not attack with Elvish Reclaimer, which, with 3 cards in hand, leaves freak scenarios like double Elvish Spirit Guide + Stifle as potential avenues to win, but unlikely
For example, if you discard Carnage, Crimson Chaos, you may cast it from your graveyard for the remainder of the turn by paying just rather than the normal cost
For added survivability, Rocky Helmet provides extra defense, and Leaf offers a quick retreat option if the battle gets too intense