40k mtg commander deck Warhammer Necron Dynasty Collectors — Game Haven 1 life tracker + 1 deck box Magic the Gathering Universes Beyond:

That might just be a me thing though, so I wouldnt hold it against the site too much

You cant target Legendary creatures (so sadly no duplication of Ao, the Dawn Sky triggers) but its still oodles of value with the right build and the right Commander

Outside of removal, there's other powerful spells like the game-ender Exsanguinate, and the value engine Lingering Souls, both of which work well with Y'shtola's abilities due to being greater than mana value 3 when cast

A burn card in Lorcana

A turn one play of such a card will give you complete information and generally keep you safe to obnoxious things your opponent might do to you

As an added bonus, that player also gains two life