Unfortunately the updated text on Oubliette states that the target creature phases out
Theres also cards that make other spells uncounterable, like Delighted Halfling
If you want to play a relatively fair and interactive deck, Tatyova, Benthic Druid is a great choice
Crosis, the Purger is in great colors to be running discard strategies, and its significantly better than Darigaaz, the Igniter, which deals damage according to that colors presence in their hand
Form of the Squirrel Forget hiding behind Ghostly Prison and Propaganda
Or, if you're playing the Pokemon TCG Pocket Lapras ex event, there's potential to have Lapras ex in there as a tank/self-healer