There are plenty of powerful decks that lean into the attack trigger mechanic, from Isshin, Two Heavens as One to The Ur-Dragon
Djeru and Hazoret Aggression meets card advantage with Djeru and Hazoret
When played alongside go-wide strategies such as Elves, for instance, Gaeas Cradle becomes a true mana-generating powerhouse
Able to add counters of all kinds to the game, a clever player can use proliferate to completely change the battlefield, put pressure on an opponent - and score some seriously satisfying wins
These decks usually run a lot of utility creatures for the midgame, like Scavenging Ooze, Courser of Kruphix, Reclamation Sage, and Tireless Tracker
As a result of this, when thinking about how the Ring would be adapted to MTG, many fans expected this to appear as a mythic equipment