The flexibility of an artifact creature at the kitchen table, particularly, with respect to colorless ones, is pretty important to evaluating it as a card
A foil rare or mythic of anything special, and this we can indeed calculate: Given that rares are twice as common as mythics, your odds of any specific rare from these four categories is 1/63, and for a particular mythic its going to be 1/126
Best Overall Ultimate Guard's Katana sleeves are a solid option on the market, and wow, do they deliver
Perilous Vault
Betor, Kin to All Betor, Kin to All is a toughness-matters dragon commander to take advantage of the high stats of your dragons
I have also been interested in general in seeing how Wizards of the Coast designs a Universes Beyond set that's also Standard legal