Whenever Frodo, Determined Hero enters the battlefield or attacks, you may attach target Equipment you control with mana value 2 or 3 to Frodo
Here, we shall suggest ten different options that will, at worst, allow you to keep up with Treasures and, at best, totally turn them off
Card Text: Baron Von Count enters the battlefield with a doom counter on "5." Whenever you cast a spell with the indicated numeral in its mana cost, text box, power, or toughness, move the doom counter one numeral to the left
Thats how enchantress decks operate, and Sythis, Harvest's Hand is no different
Plus, its an artifact, so it is also historic