Lae'zel, Vlaakith's Champion Keeping in the theme of giving Baldur's Gate characters with generic mechanics, Lae'Zel, Vlaakith's Champion is a generic go-wide MTG Card that doesn't do much to affect the meta
The Enigma Jewel This is super niche, but what if we just made Omen Hawker a lot better and harder to destroy
The art on Break Down the Door similarly evokes one of The Shinings most iconic images, of Jack bursting through a door with an ax during his final psychotic break
There are a selection of powerful items in the game to be sure
Arcums Weathervane and Arcums Sleigh made use of Snow-covered Lands while Arcums Whistle allowed you to have a Norritt that destroyed the target creature at end of turn, unless the casting cost was paid
That creates a powerful way to build around him, but you are casting your foe's stuff, not yours, so it's harder to break