After a while, it became a staple of the tournament scene because it allows control decks to reliably kill without playing any creatures at all, turning lots of their opponents' cards useless by denying them targets
Vanguard Series 1, Variant 2, 7 x 7 original uncut sheet close up of the bottom left corner mentioning Printed in Canada
As the game's total card pool continues to increase, combinations expand even further resulting in more and more powerful interactions that developers can't foresee
Giving any creature menace permanently and then getting a Treasure each turn for a bit is good, but it might not be enough to make up for playing a Gray Ogre
If you dont wait for the next one
If you are playing against a counterspell-heavy control deck, Cathartic Reunion gets worse, and you can consider siding it out