The Amethyst/Steel deck, called Might and Magic, is a showcase for the expansion's new keyword, Resist, as well as the Madam Mim and Merlin package, which is all about bouncing your own characters back to your hand to amplify their effects If you're looking for the starter deck with the more universally useful cards to start building your Rise of the Floodborn collection, you'll probably want to pick up Might and Magic first, as several of its cards will likely see play in the constructed format
The mana might be a thing in a super-high-powered environment but the life isnt likely to be
Farewell to arms Many cards in MTG joke sets are great when it comes to breaking the minds of your opponents
Blinking a face-down card turns it face up, so can be a much cheaper way of flipping them than paying their regular cost
And since Y'shtola needs to prioritize expensive non-creature spells, you're not going to have room for stuff like Not Dead After All