yugioh card 1st edition Black Illusion Ritual [MRL-051] Super Rare 0 Defense Yu-Gi-Oh! - Blue-Eyes White Dragon

A three mana 1/1 that makes a 3/3 token is already a really good card pretty close to Blade Splicer - but this comes with the additional upside of occasionally spitting out another 3/3

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

Basically, you can put Roles or other Auras on your opponents stuff to make them unable to attack if you want some of the Roles already do downgrade opposing creatures, and thats probably where this is best, because you dont really want to augment a creature to add this effect

Design space as you like

It's an eight-life swing in your favor that becomes hard to recover from