green storm cards mtg the Seedcore - March of the Machine - The Gathering Mono-Green Storm | EDHREC

Having a more simplistic way to bring in people, I see this as Wizards trying to revitalise Standard

Hes arguably the best of the five in Limited play, where his ability is a blowout and you can seek to ramp him out a turn or two early, but hes close to worthless in any non-Limited format

It also works with creatures, which means you can either have a free board or play a turn ahead of everyone else

Mirri, Weatherlight Duelist To counteract the somewhat fragile nature of the cat-mander deck, Mirri, Weatherlight Duelist, is a Commander that nullifies your opponents creatures

Prosper, from the accompanying Commander decks, is an interesting case, because it is the first time they tried to find synergies for the mechanic