Since the mana ability sticks around throughout the saga, you can likely cast the dinosaur you search for, then deal a lot of damage the following turn
Chapter III in particular makes attacking feed you cards, so sometimes Shiva plays out like two turns of Moat. You can also try to combine this with other stun effects to draw extra cards, though there arent many of those (mostly just Ice Flan and Omega, Heartless Evolution)
Evelyn, the Covetous I think that The Beaches pretty much said it all
FAQ Can Locations Be Challenged
There are some good options, like Circuit Mender and Solemn Simulacrum, but your go-to big colorless creatures, the Eldrazi, have built-in limitations that make them rubbish for blinking
The good news about the lands in Commander 2017 is that all of the decks get Command Tower (the second most played card in Commander), and all get the new Path of Ancestry as well