A Good Thing
Mystery Booster Playtest Cards 2019 · 86/121 · Rare
$0.99 Near Mint market price (TCGplayer).
A Good Thing is card 86 of 121 in Mystery Booster Playtest Cards 2019, released in November 2019. Its rarity is Rare. The artwork is by Yoni Skolnik. A Good Thing has also been printed in 1 other set, so check the set and number to compare like with like.
All cards in Mystery Booster Playtest Cards 2019