Rule 811.1
Hidden is a keyword that acts as a prerequisite to perform the Hide Discretionary Action.
- 811.1.a It is present on Spells, Units, and Gear.
- 811.1.b It is functionally short for "While this card is in your hand or in your Champion Zone on your turn during an Open…
- 811.1.c It allows the player to take the Discretionary Action Hide.
- 811.1.d Some choices made while playing a card from Hidden are restricted to the battlefield where it was hidden. A card…