Onyx Core
A Unique Relic of geodic potency
Provides (E) and ① to its controller.
Melissa A. Benson

FAQs
Q: When does this artifact provide mana?
When it enters the realm, and at the start of its controller’s turn.
FAQs
Q: When does this artifact provide mana?
When it enters the realm, and at the start of its controller’s turn.