Ugin's Triumph

If you control two or more Planeswalkers, this spell costs {3} less to cast.
Exile target Planeswalker. You may search its
owner's library, hand and/or graveyard for any number of Planswalker cards that share a Planeswalker subtype with it, and exile them. If a library was searched this way, its owner shuffles.

With a flurry of deathless wings, Bolas' reign of terror ended once and for all.