Far more excitingly, though, it gives your colorless creatures a Curiosity effect
Dumping a lot of lands with this ability won't just put you ahead on mana, but also thins out your deck and makes it more likely that you draw the cards you need to win
It's definitely a strange ability, but the gist of it is that connecting with your 3/3s will let you cast powerful spells for free, which will likely make it even easier to use Magar and connect in combat as the game goes on
When this feature comes to the game, there will be cards that are pricey because they are ultra-rare, and others that are pricey due to how good they are to use
The downside is, old beaky is going to be a prime target for removal, as until you've used its ability to convert the exiled cards into life gain, they have a chance to extract them from its stomach