Henry G. Higginbotham

Even a fragment of a powerstone contains within it not just energy, but space—vast dimensions trapped in fragile crystal.

Worn Powerstone

Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.

Worn Powerstone enters tapped.
{T}: Add {C}{C}.

When the Brotherhood of Gix dug out the cave of Koilos they found their master's severed hand. They enshrined it, hoping that one day it would point the way to Phyrexia.

Claws of Gix

{1}, Sacrifice a permanent: You gain 1 life.

Instead of creating a tool that would be damaged by heat, the Thran built one that was charged by it.

Cathodion

When Cathodion is put into a graveyard from play, add three colorless mana to your mana pool.

The key did not work on a single lock, yet it opened many doors.

Voltaic Key

Monster Manual // Zoological Study

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield.