The retreat cost shows us how much Energy you have to remove from a Pokmon to swap it from your active spot with one of your benches Pokmon
Hornet Queen 8 Hornet Queen is probably my second choice top end card after Craterhoof
The Triomes Ikoria wasnt a slam dunk of a set, but the high mark of its contribution to cubein particular Shark Typhoonis excellent
Also no one in edh abuses Bridge from Below really but I use it with any infinite sac outlet such as Gravecrawler + Phyrexian Altar , it's a nice wincon searchable with Entomb
So, for honorable mentions, here are some moderately valuable Magic cards: Zodiac Dragon ($400 - $525) - As the most powerful of the zodiac animals, this card embodies rebirth
Another method is to use cards that allow you to cast them or return them from your graveyard, like GravecrawlerGravecrawler