You just hate how unreliable obelisk is?
Well here are some buff ideas:
-In a scenario where there are 2 most frequent hands (they have the same amount of uses), Allow both to be played.
-Perhaps change it from 0.2x addition to 0.5x as it is more rewarding and honestly a hard condition to maintain. Along with cards like throwback existing.
That's my take on obelisk.

