For just one black and one green mana, you can either gain five life, sacrifice a permanent to draw two cards, or destroy a target nonland permanent that costs two mana or less
It means theyll feel good coming out of the pack, and they should last more than long enough for most players
Decks that run all the mana dorks like Derevi, Empyrial Tactician and decks that run other sorts of 1-2 drops like evasive beaters in Edric, Spymaster of Trest will get maximum value out of Harvest Season
At 8 power this quickly becomes a must block threat, and one turn of Overprotect goes a long way to make extra combats super valuable and devastating
After you find a Swamp card in your library, you reveal it, put it into your hand, then shuffle your library