Why are some Keywords used in 1 Exp. only and others multiple times?

[Dowsha-2613]

Hi!

I saw this answer from an Dev:

New Card-Witch's Brew

We like to keep keywords to one set. All other Echo cards rotate out before this one, so it doesn’t make sense to have a keyword on a single card in a set. For a new player to jump in to Hearthstone, it can be difficult to learn a bunch of new keywords. By limiting the number of keywords that people have to learn, the easier it is to play Hearthstone. Witch’s Brew doesn’t suffer from being unreadable if we take the keyword off.

But why are some Keywords ( Rush, Lifesteal, Discover…) used more then once and other not?

Isnt it also limiting design space?

If you have a bad Keyword like Inspire you dont use it again.

But if you have a goodone like Discover, which you reuse already, then you should reuse other good ones too.

Echo is a good and interesting Keyword which is worth to be reused from time to time in expansions.

Discover should never leave, its maybwe the best keyword they introduced.

Also Lifesteal should stay and come back from time to time llike it does atm.

Which one do you would like to see more often?

[SuddenReal-2703]

Rush, Lifesteal and Discover are now part of the “standard” keywords, but others are just for one expansion (like Inspire, Joust, Echo and Reborn).

[Geoxyx-1703]

There is nor rhyme or reason, it is based solely on thr whims of the developers.