Although you'll find the full details below, starter decks weigh in at $16.99 in the USA and 17.99 in the UK, while booster packs tend to be priced around $5.99 / 4.99 each
Use Sapphire-like smoothing or low-curve cantrips so your deck always does the thing on time
In a dedicated artifact deck, that starting mana value of seven will be down to two before you know it
That first ability resembles the shenanigans you can get up to with Dargo, the Shipwrecker, so in the right deck, you can cast it for two mana, attack for seven (that can only be blocked by legendary creatures), and then sacrifice it to destroy an annoying artifact or creature
1) Belle Apprentice Inventor (value engine + broad appeal) Belle sits at the top for a reason
With an Ink cost of 2, this can prove to be a great Ink-cost saving measure