The second is that making successful green aggressive decks in Cube is more reliant on new cards than making successful red or white decks that care about cheap creatures
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We already play Firebrand Archer in EDH decks that buff damage, and some of those commanders are in Standard, like Ojer Axonil, Deepest Might / Temple of Power, Ob Nixilis, Captive Kingpin, Urabrask / The Great Work, Taii Wakeen, Perfect Shot, Judith, Carnage Connoisseur, and Imodane, the Pyrohammer
Otherwise, it doles out seven damage to its summoner
Most limited decks really want to hit their 3rd land drop on time, and somewhat care about their 4th as well, especially for the purposes of double-spelling