Mono Synchron

Level 1 DARK/Machine Tuner Effect
0 ATK / 0 DEF

When using this card as Synchro Material, the other Synchro Material(s) must be Level 4 or lower Warrior or Machine-Type monsters, and they are treated as Level 1.

Rulings – Yugipedia

Printings:

Legendary Collection 5D's Mega Pack: LC5D-EN026 (Rare) - 2014-10-23

Prices:

Cardmarket: 3.24 €
TCGplayer: $ 2.54