You would end up using a Get Lost on a Kaito, Bane of Nightmares, only to give your opponent fuel in map tokens, but at that point they probably got enough value out of their Kaito to make your Get Lost inconsequential
Are there none worth opening from your Tarkir: Dragonstorm booster packs
Theyll understand the big brain thing later
Still, cast-from-exile decks have come a long way, and a protection spell that interacts with those synergies has its place
One thing well note is that since MTGs been through a power creep period, cards that add -1/-1 counter didnt get this power buff, and most of them are old and on the weaker side
Icefeather Aven can bounce opponents or your own for another morph cast, Qarsi Deceiver is a neat mana rock for the theme, I'm surprised you took out Jeering Instigator