Sultai Towns: This can either be UG or GB base, and often splashes, with some graveyard synergies in the heavier black versions
Returning Land Cycle: Restless Lands Wilds of Eldraine introduced the first five members of this cycle, and five more are present in The Lost Caverns of Ixalan
The Eleventh Doctor needs to get in for damage to use his time-related ability, but to help with that, he can make a small creature (like himself) unblockable for a little mana
Where once I had to play catch-up on what made the old Innistrad great, today Im doling out my wisdom to newcomers
Now that Fires of Invention is banned, there wont really be this sort of mana-multiplying enchantment available unless something analogous is printed in Zendikar Rising
The same is true of landwalk