Let us know what you think in the comments.
Your opponents will also have to play around Deadly Designs when it hits the table, holding back on casting their best creatures until the enchantment leaves play, or even paying to put counters on it so they can safely play their creatures
However, it doesn't copy whether Auton Soldier is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on
There were low-cost Dragons to round out my lower mana curve, and even Adventure Dragons that could provide me with interactive spells early on and yet keep my density of Dragons high
Still a touch too weird for black-border, I think, but not exactly zany
Try and trade for some of Bants exalted stuff (Rafiq of the Many, Finest Hour) since taking someones creature with Rubinia and then sending it buffed up with exalted at someone else can be quite fun