If you like your friends but would prefer they talk less: Try The Crew: The Quest for Planet Nine, a cooperative trick-taking card game that drastically limits conversation at the table
Wound Reflection, Warlock Class, Bloodletter of Aclazotz, and anything worded like this doubles your damage, which is sometimes enough to one-shot players with commanders like Heartless Hidetsugu or Alpharael, Stonechosen
Crystals are usually depicted as being sentient and will even be able to speak with the user, in a gameplay technique that allows the narrative to continue moving forward
Also, they all enter the battlefield tapped, as most non-basic lands do
Does not account for: Rate Limiting: Scryfall API has a 10 req/sec limit (automatically handled) Deck Validation: Basic validation only
A sort of tingling sensation