Ancient Gear Factory

Normal Spell Card

Reveal 1 Level 5 or higher "Ancient Gear" monster from your hand, then banish a number of "Ancient Gear" monsters from your Graveyard, whose combined Levels are double the revealed monster's, and if you do, if you Normal Summon the revealed monster this turn, you must Normal Smmon it without Tributing.

Rulings – Yugipedia

Printings:

Shadow of Infinity: SOI-EN039 (Common) - 2006-02-18
Structure Deck: Machine Re-Volt: SD10-EN021 (Common) - 2007-01-17
Dark Revelation Volume 4: DR04-EN159 (Common) - 2007-11-14

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.12