I've identified three main techniques for identifying the language of a card, and created a web page with illustrations for each: Copyright line: If your card is in a European language from before Tempest (1997), then this is the easiest way
this sometimes shows a Skull, but can also be a kind of gloopy, liquid illustration, depending on which type of Pokmon token players have to hand
Still, I believe that Expressive Iteration actually has deck building restrictions to it, being almost non-abusable in combo decks and holds up a much lower ceiling in Control decks
These events are also usually pretty casual, so they can be a good place for onboarding new players, or for anyone who has only played Lorcana with their friends to branch out and try playing with their local community
Faithless Looting So much better than Careful Study in so many ways
you can then use it to cast spells and draw into your deck for your copy of Sages Row Denizen, which will eventually mill your opponents out