In many ways, the worldbuilding emphasis of Warhammer and of Magic are very similar
When used with Aragorn, it promises huge damage
There are certainly very powerful things you can do with an enchantress deck - I have even once managed a good aggressive enchantress deck, although it was very much propped up by a few very powerful cards that are normally too narrow to abuse fully
You could, in theory, end up using him as a game-ending play if it takes enough damage from other players, or you could use him in a deck thatll have your own creatures damage him to make him a juggernaut
This type of deck is mana heavy, often having you tap turn after turn, but since youre generating all sorts of value including some beefy creatures and drawing cards, you can control the battlefield with ease
Table of Contents show What Are Merfolk in MTG