This release was first teased back during the fresh hype of the Lord of the Rings crossover set
When you mix it with Arcbond, a card that will do damage to all players when damage is dealt to a creature, you can generate infinite damage to everyone but you for a quick victory, so long as the equipped creature is indestructible
Furthermore, Im leaning towards Abrade in the board over Brazen Borrower
Target opponent reveals that many cards from their hand
Some cards give you energy counters, usually on resolution, but some cards add energy during other phases as a static ability, attack triggers, damage triggers, and activated abilities
But if you're dropping enough land, you could be Proliferating four or five times a turn, and that's valuable