At the beginning of your second main phase, if a player was dealt combat damage by a Zombie this turn, mill three cards, then you may return a creature card from your graveyard to your hand
Commander players tend to be more casual and even though you dont need to pay for the cards you put on your decklists online, many people leave out prohibitively expensive cards in large numbers
I'd recommend starting there and working your way through the list of tokens for each set
For example, if your opponent casts a spell that says "Destroy target creature an opponent controls" targeting your Ink-Treader Nephilim, its ability will create a copy for each other creature the original spell could target: the rest of your creatures
Walking Ballista Walking Ballista often sees play in combo decks
This can be especially stressful for collectors who want to keep track of all these new card styles and have to understand the sometimes-subtle differences between them