The effect of some Party cards will only activate when a player has a full party
My main gripes with Prismari Artistry are that the mana base feels a little high, likely to make the most of Rootha's ability, so I've found myself almost downgrading the deck with some cheaper spells to stay relevant in the game during earlier turns
With magecraft, it will trigger by either the casting or copying of an instant or sorcery spell
And in the case of Bosh, his cost increases the damage he does, so there's some built-in synergy there
Owen Turtenwald himself advised me to cut the card, stating that while it is good against Blood Baron of Vizkopa and Hexproof, and is generally always fine, it isnt necessarily very good against Mono-Blue Devotion because you often cant hit what you want, and you can essentially never hit a Master of Waves if theyre careful
In Magic: The Gathering Arena , Sin, Spira's Punishment is a seven-cost creature who must be cast with one blue, one green, and one black mana