Ugin, o Inefável / Ugin, the Ineffable
Legendary Planeswalker — Ugin
Colorless spells you cast cost less to cast. +1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. −3: Destroy target permanent that's one or more colors.