Then, anytime you are tempted by the ring, you can discard your hand, both filling your graveyard with fuel for explosive later turns, and keeping your hand fresh with new cards
Many have called for Dockside Extortionist to be banished to the Commander banlist, but so far it continues to terrorise
As that trigger resolves, the battle is exiled and then the back face is cast without paying any mana cost which is handy as the back sides dont have mana costs, anyway
Bonus fun fact: the moth-circle-moth loop came from looking up silkworm moth cocoons: when seen from the right angle (like here), they fit right in with moth wing pattern aesthetics
If so it should sit at the top of this list however it is an incredibly tough card to evaluate so I will need to do some significant testing before I insert the Promised End into this list