Theres one for each of Final Fantasy VI, VII, X, and XIV, with Final Fantasy VII being all about making Cloud stronger with powerful items
The Aura version too often didn't have a target or the available target wasn't a good choice for the Aura
Enchantment Color tag templates(None) Tribute Mage When this creature enters, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle
Sorcery Color tag templates(None) Fissure Vent Choose one or both Destroy target artifact
What makes Thrumming Stone so good is that you can chain-off spells of the same name (thanks to Ripple) and cast them without paying their mana costs
While black does have ways to draw cards besides conventional card draw spells, it often relies on paying life or having creatures pass in and out of the graveyard