This can limit the number of players who can use tutor cards
Auto-saves are implemented not only on the world map, but also mid-battle on a per-turn basis, so you can easily retry stealing desired items or cancel mishaps
The entire MTG Arena business model and economy is predicated on the wildcard system detailed in this article, so don't hold out hope for Wizards to implement trading or allow trading some day
Legendary Creature - Peasant Halfling Sam, Loyal Attendant Partner with Frodo, Adventurous Hobbit (When this creature enters, target player may put Frodo into their hand from their library, then shuffle.) At the beginning of combat on your turn, create a Food token
The thing is while it is more likely to stay in play and get the job of keeping you alive than Sower it is probably just delaying the inevitable while if the Sower does stick she may turn the game round single handedly