Most Commander decks are going to want the vast majority of the remaining cards to be creatures, but if youre playing a deck that only cares about a different type of card, say instants or enchantments, then youll likely want to finish the deck off with those instead
Shellfish Scholar Cost: (was) 2/2 (was 3/2) Thought Rattle Gains: You gain 1 life for each Rat card in your hand
The Ozolith The Ozolith is one of the most well-known counter cards in Commander, and runs between $30-40 a copy at the time of writing
Making it better: judging by their last names, they're siblings
If Elenda, the Dusk Rose werent being reprinted into Blood Rites, it would be at the top of our list as a potential upgrade
9 Swarmyard The overwhelming majority of Spider decks are two colors, which leaves room in the manabase for a few colorless utility lands