Aetherworks Marvel (M3C 281)

Legendary Artifact • Mana cost: {4} • Modern Horizons 3 Commander • Mythic

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.

Illustrated by James Paick.