Pia and Kiran Nalaar is pretty much a value play, while also offering another reach card to push through the last couple points of damage after the board gets clogged up with creatures
From classic tribal builds like Giants, Kithkin, Elves, and Merfolk to more mechanical strategies built around Persist, toughness matters, multicolor protection, and card theft, theres a wide range of compelling options
This means that if a toxic creature hits a player, they both take normal damage and get poison counters
However, you could not exile two cards illustrated by Zoltan Boros, two by Gabor Szikszai, and one by both of them, as those five cards don't have a single artist in common across all of them
How Do Blue Cards Work in MTG
MTG 's Wan Shi Tong, Librarian decks mostly use it as a stax piece of sorts that can also easily attack and block when it becomes more powerful