If the Commander Spellbook API rates a deck as S-tier but the local analysis shows no Game Changers, fewer than 3 significant combos, and a soft score under 50, the Commander Spellbook-derived bracket is capped at 3
However, this one in particular is a cut above the rest because Kircai points out a few alternatives which give it a degree of redundancy
Modal cards, which we've had in Magic for decades, are almost always a bit better than they look at first glance since they offer options
Its not too hard to set up Matzalantlis delirium requirement, and the free lootings always nice if you can find the time to stick this on board
Trainer full art cards have a 2 rarity
The art on a Magic card with default treatment takes up more than half of the card, and that's not enough art for scene cards