Master Labyrinth

Master Labyrnith is an ability word.

Details
It is an upgraded version of the previous Labyrinth ability, where the ability can trigger if you have either more shields or creatures than your opponent, rather than just more shields.

Reminder Text
The latest reminder text for Master Labyrinth reads;

Cards with the Master Labyrinth ability
category=Master Labyrinth uses=Template:Cardtable