Just as The Lord of the Rings brought mainstream money into MTG in 2023, Marvel has caused massive premiums on serialized Avengers, Fantastic Four, and Wolverine cards
Most of the time though, it will be cast on zero or one colors in order to wipe a board of tokens or cheap permanents
MIIRYM, SENTINEL WYRM Fast forward to 2022, and the Dragon taking over Casual Commander is Miirym, Sentinel Wyrm
Zen gives you all the information you need to win in Standard with Mono Red Aggro
You can spend your mana to cast this getting more options for cards to cast
It suffers from not being a dragon itself, which is a real knock against it, but the overall package of abilities makes it a fine consideration