They all needed the acorn symbol, as those mechanics don't work in tournament play, and they ended up as uncommon so we could print that acorn stamp
Its solitary Rogue type is usually reserved as a 'class' that accompanies another type, typically a creature's 'species.' Vislor is one of, if not the only nontoken creature that's a Rogue and nothing else
But they are set up to grant you more and more value from singing songs - Pepa Madrigal, Sensitive Sister grants you free lore every time you sing a song, and Bruno Madrigal, Singing Seer will draw more cards than you know what to do with each time you sing
When working with the typal theme, one of the design team's goals involved finding more ways to get typal cards that aren't creatures into a typal deck
It may not be a maindeck card in such a linear strategy, but sideboarded Blood Suns could wreak havoc on unsuspecting opponents
This infinite loop only lasts the turn so make it count with storm or artifactfall