Establishing a clear direction early helps narrow card choices and ensures each inclusion supports the central plan instead of adding unnecessary complexity
While I understand some types of creatures -- particularly the ones original to MTG -- deserve multiple different artwork, I really don't think the four artworks for Merseine is particularly flavourful
If you want to get really techy in the creature-dying deck, use Revel in Riches to create a pile of Treasure tokens and take that alternate win
[28] "The Oathbreaker and the Signature Spell start in the command zone at the beginning of each game, and can be cast during the game at their normal costs, plus an additional two mana for each time they have been cast
It's a highly desirable card for Treasure-based decks, and also the linchpin card in a number of recognizable infinite combos
After all, the more cards you can draw, the more spells you can cast, and the closer you can get to your deck's win condition