Card post! Logs are in the comments.

I'm okay with getting my prize early, and I'd like Grand Prize A!

RED! Gift a card (obtained in April) to five players!

♢ Trias
♢ Len
♢ Jen
♢ Liz
♢ Aria

ORANGE! Complete a male character's deck!

♢ The manliest character ever amirite

YELLOW! Level up!

♢ Complete!

GREEN! Trade with eight players from the primary, fruity, and precious+ tiers!

♢ Narwhal
♢ Lin
♢ Chelsea
♢ Liz
♢ Lila
♢ Dani
♢ Sky
♢ Shiny

♡ Ly
♡ Abyss
♡ Hijiri
♡ Kiri
♡ Nata
♡ January
♡ Cendol
♡ Totling

♤ Ori
♤ Stareyes (Stareyes deleted the image file after trading, but it was sinnoh01!)
♤ Charlotte
♤ Moon
♤ Sammich
♤ Jen
♤ Qu-ko
♤ Fel

BLUE! Find four cards (obtained in April) with characters who are SHSL at something!

♢ SHSL Fighter
♢ SHSL Treasure Hunter
♢ SHSL Reporter
♢ SHSL Roboticist

PURPLE! Play six knowledge-based games!

♢ Costume Party 190
♢ Conan's Clues 190
♢ Between the Lines 104
♢ Challenger 14
♢ Guess the Colour 165
♢ Kamila 27

BROWN! Comment on five players' posts, telling them why you like them!

♢ Jen
♢ Sky
♢ Ly
♢ Len
♢ Liz

GREY! Play three luck-based games!

♢ Combo Breaker 27
♢ Combo Breaker 28
♢ Pick a Colour 90