tirtouga pokemon card - 037/142 Colorless Retreat Cost Pokemon Black Bolt (JP) Tirtouga

Instead of making three four-color commanders, they came up with the Partner mechanic, which allowed players to run two commanders and combine their color identity

Once again, this is their color identity, which massively restricts deckbuilding options

Well, no, but thats a fine example of time management

Check out the full MtG-Multiverse planar entry for Xerex to learn more

Wernog, Rider's Chaplain + Academy Manufactor + Deadeye Navigator Wernog, Rider's Chaplain is a 2-CMC creature that allows opponents to investigate (create a Clue Token) or lose 1 life if they don't, which triggers every time Wernog enters or leaves the field