We saw something similar with the many Alchemy-exclusive cards on Magic Arena
You lose life equal to that card's mana value
Theyre going to make combat happen, which is more likely to trigger Bhaals second ability
If I bring a deck full of Death Mutations and Monkey Cages, I might go weeks or even months without winning a game
We'll have to wait and see, but personally, I'm not convinced this bounce spell is blue's best uncommon, not when they've got great card draw like Distorted Curiosity, and some neat creatures too
If you draw the Migrating Ketradon too early in the game, you can always cycle it away for two generic mana, digging through your deck to find whatever you need at the time