if a player controls more than one legendary planeswalker with the same name, that player chooses one and puts the other into their owner's graveyard
Spoilers Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song
All things considered, it's a very low mana investment for how well it synergizes and interacts with the decks that want to include it
It swaps indestructible for protection from all colors, which is usually better
Mardu colors give you access to all the top removal cards, and best of all, Edgar's eminence ability makes him useful from the command zone, where he can churn out mini-mes in safety
I didnt want it to just be a casual side game