Mystery Booster Playtest Cards 2021

Witty Demon

Flying
When Witty Demon enters, if your starting library had at least 13 cards over the minimum, search your library for a card and put that card into your hand, then shuffle your library. Otherwise, Witty Demon deals 4 damage to you.

Mystery Booster Playtest Cards 2019

Flying
When CARDNAME enters the battlefield, if your starting library had at least 13 cards over the minimum, search your library for a card and put that card into your hand, then shuffle your library. Otherwise, CARDNAME deals 4 damage to you.