This card feels poised to make a pretty big splashpun intendedand may even lead to a resurgence of merfolk decks in Modern and other formats
Many a green mage was seen conceding after they had no answers to a turn six King Crab with four green creatures already on the board
Or, pay a blue, tap, and sacrifice it when a library has 20 or fewer cards to play the removed card without paying its mana cost
Its gone from being a couple of dollars not long ago to climbing to around $15
Zara, Renegade Recruiter lets you steal creatures right from your opponents' hands, which gives you a chance to swipe powerful ETB triggers off creatures like Etali, Primal Conqueror that other threaten effects miss
It's not that I don't realize cards can turn out to be good, it's just funny to me that the cards tend to come about for reasons so different than "I thought this would help the Constructed environment," which is how I think a lot of players think I design cards