Group hug is a lot of fun when played responsibly, at least in casual settings
So, a green-black deck is usually called Golgari, for example
You can find it here - Budget Commander #42: Muldrotha's Fun Times | Article by Abe Sargent (coolstuffinc.com)
You can typically pay one mana to trade a card for their best card in hand, or three mana to trade one card for their two worst cards
Below youll find each card previewed from Reign of Jafar and information on the sets various products
There will be one obvious marquee mythic rare in the $30-$40 range like Voice of Resurgence, one (maybe two) other marquee mythics in the $15-$20 range like Blood Baron of Vizkopa, a mediocre planeswalker like Ral Zarek, and a couple of mid-value rares in the $3-$5 range