"Today's paperweight, tomorrow's leveler."
—Bruenna, Neurok leader

The List

Reshape

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Double Masters

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.

Darksteel

As an additional cost to play Reshape, sacrifice an artifact.
Search your library for an artifact card with converted mana cost X or less and put it into play. Then shuffle your library.