There are a bunch of different areas of graveyard design (I'll talk about them in a moment) and black and green overlap in pretty much all of them
While turbo decks usually don't need to reset the board state, Penny is a reliable way to stall the game when these strategies are struggling
Much better in Rakdos or Grixis
If you have a way to cast a card from your hand without paying its mana cost, you can fuse it for free
Akroma's Blessing Alseid of Life's Bounty Angelic Intervention Apostle's Blessing Armored Guardian Aven Liberator Aven Warcraft Benevolent Bodyguard Blessed Breath Cartel Aristocrat Center Soul Emerge Unscathed Faith's Shield Feat of Resistance Giver of Runes Glory Gods Willing Greater Morphling Jareth, Leonine Titan Jeweled Spirit Kami of the Painted Road Knight Of Dawn Midvast Protector Moonlit Strider Mother of Runes Prismatic Boon Pristine Skywise Radiant, Serra Archangel Rappelling Scouts Razor Barrier Redeem the Lost Resilient Wanderer Reverent Mantra Seht's Tiger Sejiri Shelter Sejiri Steppe Shelter Stave Off Stormscape Master Sygg, River Guide Thornscape Master Ward of Lights
The Blastoise Toploader Binder is a Pokemon toploader binder wrapped in deep blue PU leather around a hardened, impact-resistant cover