At that magical 7-power, the fully stationed spacecraft mode is quite strong and makes a good win condition out of commander damage
(Unless you're Ken Nagle, in which case you do it right to left.) However, there's an important distinction to make here: you need to see what you're actually going to want to cast at each mana cost, not what you can cast at each mana cost
Other giveaways include misaligned borders or colors that seem faded or overly saturated
They only lost this time, and despite how much they ravaged in their wake, it could be considered a victory
The artifact creatures are the best threats you can find with Tinker
I think keeping the number to the top 4-6 is good, and after that, I recommend diversifying your card draw