Critias Monster

Critias Monster is a extra deck monster that uses trap cards for its summon instead of just monsters.

How to summon Critias Monsters
Critias Monsters requires 1 trap from the hand or field and 1 monster from the hand or field to summon them. If a trap is set, you must reveal it before using it as material.

Example
1 + 1  = Blue Fangs Critias Dragon

How they are different from Fusion Monsters

 * 1. Fusion Monsters requires while Critias Monsters requires a trap card.
 * 2. Fusion Monster are violet in the card frame while Critias Monsters are Dark Purple in the card frame.