As a bonus, it gives us the opportunity to cast a spell (even from hand!) for free
empty Legendary Creature Dragon5/5 Trample When Themberchaud enters, he deals X damage to each other creature without flying and each player, where X is the number of Mountains you control
It's a detail that reflects how seriously we take the finished product
Just like the Construct suggests, I really like this with artifact tokens like the recent Soldiers, Thopters, Myr, Servos, and more
Its a piece with a very natural progression to it, guiding the viewers eyes across the canvas in a way that tells a short but effective mini-narrative
It can't be the target of spells or abilities, its static abilities have no effect on the game, its triggered abilities can't trigger, it can't attack or block, and so on