Exiling a key card from an opponents graveyard before they can use flashback or stopping recursion feels good, and you get to explore on top of it
This means that as long as you control Talrand, you'll be accruing additional value for playing cards you already would be
I have a stack of planes in front of me to write this article
The best turns involve copying this legendary artifact with Echo Storm or a similar effect, though you'll have to get rid of any copies that still remain, since Ugin's Nexus would make you skip over all your hard-earned turns if you keep a copy in play
The ultimate top-end for any green EDH deck, this enormous beast turns 13 this year, which apparently officially makes it eligible for a retro-frame border
Building new decks from scratch is tricky, but if you have bulk from previous sets lying around, it's always worth checking for any valuable cards you forgot you owned