https://twitter.com/YuGiOh_OCG_INFO/status/662556107177504768/photo/1
~1999 or less: 1 Card
~2000 or more: 2 Cards
~4000 or more: 3 Cards
~6000 or more: 4 Cards
~8000 or more: 5 Cards

Retweet the Tweet with デュエル！in it.