Satya, Aetherflux Genius lets us Splinter Twin in a token of a nontoken creature you control
You cant insure a package worth that much through this interface though, so purchasing signature confirmation at home shouldnt come up often
Buy CGC 9.5s cheap (recent sales around 500) and either hold and wait for CGC to rise OR crack the case and submit to PSA fishing for a 10
A free, desktop tool called Arena Tutor tracks your Arena collection, let you know if you've got 100% of a set, and gives you a nice perspective on what you're missing
There are also other high toughness non-Defender creatures in the deck like Aegis Turtle, Charix, the Raging Isle, and Giant Ox, as well as a few cards that let them attack, like Assault Formation, High Alert, and Huatli, the Sun's Heart
They are made with decent plastic that can withstand a lot of abuse, and kids absolutely love them (Im a 31-year-old kid at heart