While it can exile itself to gain you some life and scry 2, this ability works no matter how Senu ended up in exile, which is what makes it so interesting
Minimizing Burdensome First Five Selection Three-Eyed Owl : This card is happily leaving the Chained List with the incoming errata, removing the negative play experience it put into the First Five selection and round 1 parts of the game
Sanguine Bond, Defiant Bloodlord, or Vizkopa Guildmage turn your gain into your opponent's loss
(6/6/2025) While resolving Kefka, Court Mage's last ability, the next opponent in turn order chooses a permanent they control, then each other opponent in turn order does the same
And...don't forget that this is on a legendary dork, so he's eligible as a Commander too
Number of Successes in Population: This relates back to the card or group of cards we talked about before