Of course, there are creatures that have this ability built-in, like Ohran Viper, but they tend to cost more to cast, and most lack inherent evasion
With age, some scene boxes creep up to $90
Robin Hood, Champion of Sherwood 7
Then surveil X, where X is the number of counters on it
And while Dread Fugue is clearly worse than Thoughtseize and probably a little worse in the abstract than Inquisition of Kozilek, Im not sure Concealing Curtains is worse than either of those two prior all-stars
Sorcerous Squall costs a staggering nine mana, which becomes much easier to cast since you can exile cards from your graveyard to help pay for the cost with the delve ability