Sapphire has some great items, including several new cards in the next set such as Aurelian Gyrosensor and Lucky Dime, and Scrooge McDuck, Richest Duck in the World can allow you to play these without paying a single ink
Direct answer : For Week 1, assume Ruby Songs (Powerline-led) and Ruby-X midrange are the decks to test against
With a cost of eight, a requirement to exert all cards in the inkwell upon play, and un-inkable status, Mufasa - Ruler of Pride Rock doesn't come cheap
However, it's still worth understanding how it worked, as it could help us piece the clues together quicker, should Wizards run a similar secret promo in future
The Lost Caverns of Ixalan The Lost Caverns of Ixalan draft boosters make an interesting set, but if you miss your plays on turns one, two, and three, you're in big trouble with the aggressive 1 and 2-drops out there