Keep in mind this checklist is made for your average casual or semi-competitive Commander deck with a budget restriction
(When a creature with afterlife 1 dies, create a 1/1 white and black Spirit creature token with flying.) Because blockers are chosen all at once, you can't block with a creature with afterlife, wait for it to die, then block with the resulting Spirit tokens
Kappa Cannoneer has proven itself since its original release in Commander: Kamigawa: Neon Dynasty
When paired with a Print-on-Demand (POD) platform like QPMN, that IP becomes an automated cash-flow machine that sells while you sleep, with no additional time investment per sale
Doubling the number of counters put on any of the permanent types it mentions is a straight up strong effect
The Magic: The Gathering secondary market is nothing if not unpredictable