Tchotchke Elemental gets +1/+1 for each knickknack counter on it
Especially as a Commander game drags on
Its the Elementals ability to return to the battlefield from exile that makes it really interesting, though
It will get a few that you might not think of, such as Canopy Vista, Irrigated Farmland, Prairie Stream, and Scattered Groves
Admittedly, I was among the majority who saw this Warp World knockoff and dismissed it as a bad bulk mythic during Magic Origins , but having seen what a Standard deck could do with it locally, this is another one of those board wipes that can easily be a finisher in the right Commander deck
As long as you're in a format where you can play Fetchlands to fuel your graveyard, it's essentially an upgraded Llanowar Elves that can heal you and damage your opponents without having to go through their creatures