By the time you're playing Look at this Family, you're likely later in the game, having thinned your deck out a bit and giving you better odds at getting something you want
Ive heard plenty of stories of players using original dual lands in place of basics they were missing
It's ridiculously rare that R&D makes a sizeable mistake (relative to the amount of product they produce), so if they're going to find ways to improve, most of them are going to be tiny
Three mana 3/3 is always a good start and a nice little stat bump to your other creatures is very welcome, especially in the go-wide decks
Channel Lightning - At the beginning of your end phase, put a flow counter on this, then destroy it unless you put a Lightning card from your pitch zone on the bottom of your deck for each flow counter on it
The Lost Caverns of Ixalan is next, but as that one comes out in November, we have a little time to let the format breathe