Construction mechanics

Construction is the process when players use items to create a new miner (and get MinerBox as a result). A miner of any rarity can drop out from MinerBox with a certain probability:

Rarity	Probability
Common	?
Uncommon	?
Rare	?
Epic	?
Legendary	?

Moreover, to create MinerBox a certain amount of BTCi and INOM is required: TBA