A lot of Cubes just wont touch creature enchantments as a rule, but Well Rested does at least replace itself if everything goes right
Radiant Lotus The Lotus name, as well as the Mox name in MTG, are very prestigious, and people expect Radiant Lotus to be broken in some way
Technically, the Gilt-Leaf Winnower can't destroy itself because it's an Elf and the card only hits non-Elf creatures, but it's cool that the card defines imperfection in a way that it (almost) fits
Electric Fortress, Elite Four Three Cassie wants us to include 4 Pikachu cards
Similarly, Toxic Deluge is widely used in Commander as an effective boardwipe since this format is reliant on boardwipes to keep complex board states under control
These moves are really important to make sure your damage-dealers can keep dishing