Aurora , Dreaming Guardian is a prime example of this, as she can strategically ward her allies to protect them from magical effects and abilities
There are borderless character versions of cards from the main set and the Commander decks
Demons version
Lobelia, Defender of Bad End Although its a risky play, Lobelia, Defender of Bag End could give you some very powerful cards at a very low cost
It effectively cleanses the battlefield of lower-tier threats while simultaneously absorbing their power to boost its own lore potential, while also allowing players to draw more cards in exchange for sacrificing an Ally character
If the opponent quests, Mirabel can give Olaf her Support and Olaf can challenge the opposing character, allowing you to play Julieta and heal the Olaf, drawing one card