Talk:Beyond the Spacetime Gate/@comment-110.159.46.202-20180624084311/@comment-190.107.228.184-20180625140631

Do upgrades with N cards, every 10-15 upgrades you get a heart, this is really good if you want to increase just one card quickly, but yes I agree with Deathga, farming the aw with 1 strong card who can solo it and 4 cards you want increase is the best.