Unfortunately for the denizens of Eldraine, when the Phyrexians were defeated and the invasion ended the curse did not it continued to spread
Of course, you must also factor in cost reductions or the ability to cast a card without paying its mana cost
Their ability allows you to proliferate at the beginning of your end step
While discarding cards might not sound good, there are decks where youll want to be doing that anyway, and it never hurts to chuck away the extra land youre drawing or a creature thats no longer good enough
Sometimes RW decks take a more controlling route, often in conjunction with blue for Jeskai lists, but Boros leans into aggressive strategies in many formats
This alone would make Maelstrom Wanderer an incredible creature, but it gives your whole side haste too