There's a lot of staples for Counters decks here, like Inspiring Call, Inexorable Tide, Hardened Scales, and it's the first time we've seen Damning Verdict reprinted, one of the best cards for a Counters deck as a one-sided wipe and it was quite expensive for that reason
Your opponent is probably content to just leave her be until they can remove her for free or cheap
If the second ability refers to "the exiled card," it refers to all cards exiled by instances of the triggered ability
In the Amber/Emerald set, these include Horace - No Good Scoundrel, Jasper - Common Crook, Hypnotize, and Improvise
Cheshire Cat Inexplicable Little John Impermanent Outlaw Fairy Godmother Magical Benefactor Whats Next for Disney Lorcana
Theres nothing more frustrating than getting stuck at four Ink and having your options dwindle