The trouble comes when its early game and youve got a board wipe in hand, not enough mana to cast it and only one main threat to deal with anyway
Oddly trading sometimes becomes really unlikely in these board-building environments
In Commander, this card works great in token strategies, pairing nicely with things like Jaheira, Friend of the Forest to create an army of tasty Frogs
Then these surveil 1 on arrival to the battlefield, so they can give you card draw security, and then also send it to the graveyard if you don't immediately need it, or just want reanimation, flashback or delirium for later use
Counting the number of decks for a given Partner is tricky, for obvious reasons, but its fairly evident that Kydele, Chosen of Kruphix didnt prove popular