The whole point of showcase frames is that they make opening booster packs more fun, but they weren't included in the already more expensive basic Double Masters boosters
This is the structure of all our Field Spells: a first unique effect, an effect to target a "YoRHa", then 3 effects depending on the target
It also helps that this is an Azorius precon, meaning it only uses white and blue mana, keeping things simple for new players, but the volume of colorless cards also means you should never be short of cards to play, so long as you have mana on the board
But the crown of mid-game king goes to Gogo, Master of MimicryGogo, Master of Mimicry
Allowing you to bounce and copy Phylath, respectively, youll need six lands, at most, to create an infinite loop