Giant's Boulder - The Hobbit - 173

Artifact

Mana Cost: {1}

When this artifact enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{1}, {T}: Add one mana of any color.
{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Common · The Hobbit · #173 (HOB)

Illustrated by Miklós Ligeti