Ugin's Construct [Fate Reforged]

Set: Fate Reforged Type: Artifact Creature — Construct Uncommon Cost: {4} When Ugin's Construct enters the battlefield, 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.