No need to go super complex here: choosing who goes first can be decided with a simple coin flip
That's a massive deal if you're a newer player who doesn't want to rebuild your deck every rotation
Some cards need a comeback season to stay relevant
Phyrexia is explicitly a mishmash of vat-grown flesh and engineered metal, sinew wrapped around rotors, buffered by undead tissue and shot through with viral oil
You can still cut corners by networking, borrowing cards from friends, trading when you can instead of always buying singles, etc, but it will take an investment
If you show your opponent Eternal Witness, Greenwarden of Murasa, Timeless Witness, and Elvish Regrower, their hands are kind of tied