As Merfolk are a classic tribe synonymous with blue mana, it should be no surprise that as new sets are released, like many other tribes, Merfolk decks are provided access to powerful new card options that can be added to pre-existing Merfolk decks or even inspire brand new Merfolk-Tribal decks
Then he's cheaper to cast for each different mana value in your graveyard so he's all about that graveyard use and abuse
The key strength here is on-demand combat damage amplification
This is the first enchantress deck that Ive enjoyed, and I feel like it plays differently than other enchantment decks
You can buy campaign expansions to add new stories to your game, and/or you can buy investigator expansions to add new characters
So, if they are holding a spell for awhile in exile, it could be this spell