Chase mythics in Commander-focused sets tend to hold value better than combo pieces that can be banned, making the Cosmic Cube a safer long-term hold than Bruce Banner if competitive bans become likely
VENERATED ROTPRIEST Venerated Rotpriest is perhaps the most powerful Toxic creature printed for its ability to threaten wins out of nowhere across multiple formats
Veil of Summer Veil of Summer is a situational card as you and other permanents you control only gain hexproof from specific colors until the end of the turn
Meanwhile, a card like Eldrazi Displacer is likely to make the same impact on Commander that she does in other formats and can blink stuff with impunity as long as you have the mana set up
You need something to do with all that mana, of course, and green has plenty of fatties to choose from
It's basically cheating (or, more precisely: a color pie break) that lets red decks get rid of problematic cards like enchantments and guarantees that its target gets out of sight and out of mind, but runs the risk of replacing it with something even worse