Several very strong characters are Ruby Ink-powered and, just like Mickey Mouse, Brave Little Tailor, they can often be quite costly to get into play
Additionally, I just like playing off-meta decks, especially when they feature unusual interactions that the opponent might not be prepared for
All those factors make Swords to Plowshares the #1 removal spell in Commander, bar none.
MTG Arena is far from perfect, with no ability to play in multiplayer matches, one of the least generous economies in a digital CCG and a complete inability to get rid of cards youre not going to use in favour of those you want to use
On top of demand increasing for these classic typal cards, theres also been some major competitive action recently
Thunderstone is a great choice, highly recommended as a top pick for folks who love games like Magic the Gathering