Calvin’s mysterious letter has a creepy skull return address! 💀📬 He’s already imagining the worst. #CalvinAndHobbes #MysteryMail

WHAT did Excalibur Events just get in the mail ahead of Steel City Spectacular?! 🤔

Take your best guess! First correct answer wins $25 in VendorBucks to spend at the con!

Drop your guesses below ⬇️ Winner announced soon!

#SteelCityMTG #MysteryMail #GuessAndWin #VendorBucks