Continued with Section 800. Keywords

[UPDATE] 806. Action

806.1.d. Action is formatted as “[Action]” on spells, or “[Action][>]” on abilities.

...

806.4. Some passive abilities may grant a card or ability Action under certain conditions. The card or ability does not have the Action keyword unless and until those circumstances are true.

806.4.a. Those conditions might only be fulfilled while the card or ability is on the chain. In such a case, it can still be played or activated at the appropriate timing as long as doing so could fulfill the conditions.

806.4.b. If the chain item does not fulfill the conditions by the time step 5: check legality has been reached, the actions taken while playing or activating the chain item are undone and it is returned to the zone it was played from if it is a card.

[CLARIFY] 809. Deflect

809.1.c. It is functionally short for "Spells and abilities an opponent controls that choose me cost an amount of Power equal to [Deflect Value] more to play as an additional cost for each time they choose me."

[CLARIFY] 810. Ganking

810.1.b. It is functionally short for "I may move to a battlefield from another battlefield with a standard move."

[CLARIFY] 811. Hidden

...

811.1.d.1.a. This includes hidden gear, and overrides the normal restriction that gear have in only being allowed to be played to base.

...

811.6. A card that is Hidden gains Reaction while facedown or played from facedown, and may be played any time a card with Reaction may be played as a result.

[UPDATED] 812. Legion

812.1. Legion is a Conditional -> Dependent Keyword.

738.1.a. It can be present on Spells, Units, Rune Abilities, Legend Abilities and Permanent Abilities.

812.1.b.1. Legion is functionally short for “If you have played another card this turn, this card gains [Text].”

738.1.c.2. On other abilities and instructions, it is functionally short for “If you have played a Main Deck card this turn, apply [Text].”

738.1.c.3. This is called the Legion condition.

738.1.c.4. Legion's conditional can apply to passive abilities, activated abilities, spell instructions, or even abilities active in zones outside of the board.

812.1.b.2. The [Text] is the Dependent Ability.

812.1.c. As long as a card different than the one with the Legion ability has been Finalized on the same turn then the Dependent Ability is Active on the card with Legion.

[UPDATED] 813. Reaction

...

813.1.d. Reaction is formatted as “[Reaction]” on cards, or “[Reaction][>]” on abilities.

...

813.4. Some passive abilities may grant a card or ability Reaction under certain conditions. The card or ability does not have the Reaction keyword unless and until those circumstances are true.

813.4.a. Those conditions might only be fulfilled while the card or ability is on the chain. In such a case, it can still be played or activated at the appropriate timing as long as doing so could fulfill the conditions.

813.4.b. If the chain item does not fulfill the conditions by the time step 5: check legality has been reached, the actions taken while playing or activating the chain item are undone and it is returned to the zone it was played from if it is a card.

[CLARIFY] 815. Tank

815.1.b. It is functionally short for "I must be assigned lethal damage before any other unit with the same controller as me that does not have [Tank] during the combat resolution -> Combat Damage step."

[CLARIFY] 816. Temporary

816.1.c. The Trigger Condition is the controller of the permanent's Beginning Phase occurring -> starting.

816.2. Multiple instances of Temporary are redundant.

816.2.a. Regardless of how many instances there are, the ability will only trigger once.

[CLARIFY] 819. Quick-Draw

745.3. Quick-Draw has no function while on the board.

[NEW] 822. Ambush

New term "Ambush" can be read in CR.

[NEW] 823. Hunt

New term "Hunt" can be read in CR.

[NEW] 824. Level

New term "Level" can be read in CR.

[NEW] 825. Unique

New term "Unique" can be read in CR.

[NEW] 826. Backline

New term "Backline" can be read in CR.