Anything can be used to represent a token, but there are also official tokens to correlate to the tokens cards create
Bloomburrow is the 101st set for the long-standing TCG, and will contain 281 regular cards alongside further variants, Commander-only cards, and other options typically available in Collector Boosters
The same can be said of Felidar Sovereign, a creature that requires you to have 40 or more life on your upkeep to win
There are many other kinds of lands in Magic as well, called nonbasic since they arent basic lands
I also decided early on that I would either build a heroes deck or a villains deck, and that I would not mix the two creature subtypes together
Heres an optimized list for the OP06 EB01 meta, designed to build a defensive board to protect your Leader, giving you time to create the winning play