It is a part of the original three for one cycle, first printed in Alpha, but is funnily enough the only card out of this cycle seeing play in Modern
Explorer is one clear example of a game mode in which players are asking (or, well, yelling may be a more accurate term, although some are resorting to humor) for more cards there's even a Support Ticket on the topic, with a lot of upvotes
Forge Anew works as a recursion device in case you lose any Equipment cards via an opponents removal spell, for example, but its main value is granting you a free Equip action on each of your turns
Itll make it a lot easier to constantly play creatures, something mono-green decks love to do
Thats technically true, but here they refer to the support cards in our deck
The Brothers' War feels like Magic: The Gathering as it should be