Rule evolution
Rule 702.139a
Previously numbered 702.138a.
Earliest archived Rules release: 2020-04-17 · 2 wording revisions · 1 renumbering
Added702.138aDetails
Companion is a keyword ability that functions outside the game. It’s written as “Companion—[Condition].” Before the game begins, you may reveal one card you own from outside the game with a companion ability whose condition is fulfilled by your starting deck. (See rule 103.1b.) If you do, once during that game, you may play that card from outside the game.
Wording changed702.138aDetails
Companion is a keyword ability that functions outside the game. It's written as "Companion—[Condition]." Before the game begins, you may reveal one card you own from outside the game with a companion ability whose condition is fulfilled by your starting deck. (See rule 103.1b.)
If you do, once during that game, you may play that card from outside the game.Once during the game, any time you have priority and the stack is empty, but only during a main phase of your turn, you may pay {3} and put that card into your hand. This is a special action that doesn't use the stack (see rule 116.2g). This is a change from previous rules.Wording changed702.138aDetails
Companion is a keyword ability that functions outside the game. It's written as "Companion—[Condition]." Before the game begins, you may reveal one card you own from outside the game with a companion ability whose condition is fulfilled by your starting deck. (See rule 103.
1b2b.) Once during the game, any time you have priority and the stack is empty, but only during a main phase of your turn, you may pay {3} and put that card into your hand. This is a special action that doesn't use the stack (see rule 116.2g). This is a change from previous rules.Renumbered
702.138a→ 702.139aDetailsPreviously
7. Additional Rules
702. Keyword AbilitiesThen
7. Additional Rules
702. Keyword AbilitiesCompanion is a keyword ability that functions outside the game. It’s written as “Companion—[Condition].” Before the game begins, you may reveal one card you own from outside the game with a companion ability whose condition is fulfilled by your starting deck. (See rule 103.2b.) Once during the game, any time you have priority and the stack is empty, but only during a main phase of your turn, you may pay {3} and put that card into your hand. This is a special action that doesn’t use the stack (see rule 116.2g). This is a change from previous rules.