Shifting Seal

{t}: Add {c}.
{3}, {t}, Sacrifice Shifting Seal: Destroy
target nonbasic land. Each player draws a
card, then discards a card.
- ———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line} -
Ugin's secrets were obtainable, but hidden
beneath an ever-changing lock.