Chukov Magic is full of war-torn battlescapes, treacherous terrain, and sprawling metropolis cities like Ravnica
Since there are plenty of ways to get multiple lands into play in a single turn, you can trigger this effect several times in a row, letting you get lots of bonuses at once
Since we can get around equip costs, Colossus Hammer also seems like a direction to go
Lots of artifacts can copy themselves, or copy other artifacts, and this is I think a very important piece of flavour for artifacts that they seem like material objects that can be constructed together out of other material objects
In the lore, the block follows the return to Innistrad, as Jace investigates suspicious events on the plane, while its population becomes warped and maddening