
When this creature enters, sacrifice a permanent that's one or more colors.
While trapping the Eldrazi on Zendikar, Ugin learned little from Sorin, but he gleaned the rudiments of lithomancy from Nahiri.
Illustrated by Peter Mohrbacher
Released on January 23, 2015
If you control only colorless permanents as the ability resolves (for example, basic lands and face-down permanents), you won’t sacrifice anything.