I think this is totally bad timed! I honestly believe this ruins yourselves, logress. (basically invite people and have them upset)
Why ask us now to invite people? First have some relaxation zone within the game, such as napo ...
Or a 2v2 to get away from the 1v1 lamerish folrart aspect.
And then make this event that basically forces people to play now about 20-30 games of 10 turns minimum a bit different. More games over a far larger period of time?!
Or just make it limitless time with a 200-300 games requirement. So whenever people are ready, they get the cards.
I am sure you know that new players won't last 10 turns so easy. It will depend often on the pity of the level 100+ in folrart.
I got once vs a guy below level 10, ask why he is in folrart. Answer: couldn't get a game in crest.
Now imagine similar things happen with those we invite. They get encouraged to spam games, perhaps far more than 30 and there's little encouragement to do so ...
They'll be seriously upset and quit once they go into folrart and take some proper beating - that's what the two events encourage!

Hope you reconsider this! At least have it at a later time when things have changed a bit.
Besides you promised to change the environment. This will be just like in the old days, except for the free recyclable set, which is totally new ...
Why not change the environment first as you promised you will do?