There is no restriction on this ability as weve seen on a number of cards like Atsushi, the Blazing Sky or Reckless Impulse so the cards are permanently exiled and permanently available for you to cast
When Kathril, Aspect Warper enters the battlefield, put a flying counter on any creature you control if a creature card in your graveyard has flying
In its second reprint outside of a Modern Masters 2017 cameo, Deadeye Navigator has all the characteristics of a bulk rare
Non-Budget All of these non-budget instant speed green card draw spells are amazing
Shift Gadget Hackwrench Brilliant Bosun for four ink Quest for 1 to 12 with Aunt Cass, choosing Gadget to give them +1 this turn Quest with Gadget for 4 to 16 Play You Came Back to ready Gadget Quest again for for another 4 the win
While bounce lands and trilands are certainly playable in the format, at this point, they have been reprinted so many times they are very accessible and cheap