Aetherworks Marvel - Kaladesh - 193

Legendary Artifact

Mana Cost: {4}

Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter).
{T}, Pay six {E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Mythic · Kaladesh · #193 (KLD)

Illustrated by James Paick