Built as the cornerstone of the Abzan deck in the first batch of Commander decks, Ghave has two abilities, both of which are 1 for 1 until you find a way to double either the input or output
Adding this critter just amps up the overall potency, plus making the opponents suffer for its demise without the need to whip up a Callous Sell-Sword, though unfortunately (thankfully?) not as built-in as a Cacophony Scamp
Back Hades, Sorcerer of Eld Legendary Creature - Avatar Vigilance Echo of the Lost - During your turn, you may play cards from your graveyard
Even better, there's no Graf Rats in the pairing, as both Fang and Vanille look perfectly playable on their own
If you are desperate for cards (and have at least 1 in your hand), dont be afraid of firing this spell off on a non-impactful creature
I dug around for some benefits for destroying opponents cards and the pickings are slim, but available in Eumidian Hatchery, and Dingus Egg