mtg equip cards Meltstrider's Gear | Edge of Eternities Beginner question..How does Equip work?

In Magic there tends to be a race to build faster and faster decks, ideally without sacrificing interaction and resiliency

For example, Mulldrifter once exiled a crucial Bridge from Below from my opponents graveyard, an interaction that a playset of Thirst for Knowledge would never have enabled

Notably, attempts to make "fixed" versions of the Power Nine, such as Treasure Cruise in the Khans of Tarkir set, can still become overpowered, and thus Treasure Cruise is banned in Legacy and restricted in Vintage, just like the Ancestral Recall it sought to emulate.

Their listings usually include scans and details about the cards history, especially for rare Gamma and Delta playtest cards