This is especially difficult to deal with if their opponents don't rely on creatures with Flying
Well, in MTG Final Fantasy, summons are represented by saga creatures
While I still have some reservations, I find the D&D crossovers a lot easier to reconcile with Magics aesthetic (as I likely will with the Lord of the Rings set, and I am sure I would have were this set of precons focused on Warhammer Fantasy Battles, or even Age of Sigmar)
While my version runs a lot of charms, like Abzan Charm to control the board in a Draw-Go style of play, I do run plenty of other high value multicolor spells like Guided Passage to draw cards and politic, Invasion of Alara for tremendous value, and Unite the Coalition which is a bonkers top-end
However, her Shift ability is just a inhibiting as it is helpful