2 Catastrophe Catastrophe is a unique land destruction card in that it has two different modes depending on what you need more
Theres not really an alternative that does everything it does, either, making it very difficult to replace, especially in higher brackets
At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control
Finally, Nykthos, Shrine to Nyx, while obviously very powerful, had a hidden ability that really pushed it over the top
Using Lurrus of the Dream-Den as an example, the 3 mana card could be put onto the battlefield from outside the game so long as You pay its mana cost and Each permanent card in your starting deck has converted mana cost 2 or less