(A regular Art card can be found in 30% of packs and a foil-stamped Signature Art card can be found in 5% of packs.) Every pack Includes 14 cards of rarity Rare or higher and 36 Uncommon, 69 Common, and 1 Land cards
With Ruler of Thul , your avatar, and a 1 power minion you can effectively attack your opponent from across the board and deal 7 damage (assuming your avatar starts with 1 power)
Threats are often rares and mythic rares, so keep an eye out for those when opening your Prerelease Pack
However, it took until Mirage for us to get a full cycle of these cards with the charms
Clearly the incubate mechanic is supposed to tie together the Phyrexian synergies and artifact theme, but Id look to focus on one or the other
Its my favorite format by a long margin, and theres far more flexibility in the deck building process due to the sheer volume of cards you have to choose from