Flash Vigilance When this creature enters, tap target creature an opponent controls and put a stun counter on it. {1}{U}, {T}: Shuffle this creature and target creature with a stun counter on it into their owners' libraries.
2024-09-20
If the target creature is an illegal target as Floodpits Drowner's last ability tries to resolve, it won't resolve and none of its effects will happen. Floodpits Drowner won't be shuffled into its owner's library.