Golgari (green-black) lets you recur threats from the graveyard and pack solid removal
Seizan, Perverter of Truth With Seizan, Perverter of Truth you get a big Howling Mine, which gets better if you have cards like Sheoldred, the Apocalypse or Nekusar, the Mindrazer in play
Most of the WoW quests draw you a card for around the equivalent of 4 mana, bounce lands sort of draw you a land for two but you are forced to pay that cost when you make it
It seems like its even more powerful in Commander, with all the utility lands running around the format
Well, who is paying six mana for a few 2/2 flyers on top of their Teferis Protection while also giving away an extra turn
Invasion of Zendikar / Awakened Skyclave Invasion of Zendikar works because you would already pay to double Rampant Growth, then Awakened Skyclave is a decent size dork that scratches my itch for vigilant cards with a ability