If you print and find the fit of the phone arm to body of the slinger is loose, increase the scale of the arm by 1 or 2 % and print again, i did my best to provide tolerances that would suit entry level printers at .4mm tolerances I have printed with 3 perimeter walls, 4 top and bottom, and at 7.5% infill and it is quite robust User Tips and App Mana box is easily the best app for this , hands down and recognizes MOST cards, and has quick features to set a card as foil, or change set etc Here is a quick video of my settings and use of ManaBox - I use the prefer foil checkbox to scan foil items in bulk separately from std
Earthshaker Giant I rate this is a bit better than End-Raze Forerunners but not much, one spot better, since it's cheaper for a smaller 6/6 with trample too, but gives your team trample and an additional +1 size
Dealing damage with The Eleventh Doctor lets you exile a card from your hand, putting time counters on it equal to its mana value, and giving it suspend
Tectonic Giant has a power of 3 (how much damage it does to other cards) and a toughness of 4 (how much damage it can take before being destroyed), likely making it a relatively solid pick to add to your collection if youre starting to consider how to build a Magic: The Gathering deck using the new set