Magic: The Gathering's Commander format lets you play cards from its entire history, one of the few formats that allow you to do so (as long as they aren't banned or illegal)
The fact that it's a Curse does have some applications, but those mostly don't matter for many of the Curses-matter cards
Run two copies
I doubt well see cards with dethrone again soon, but even if we do I dont think theyll reprint any of the abilitys current flagship cards
The idea is to keep the board clear with cards like Deafening Clarion and Time Wipe, play a bunch of planeswalkers that generate card advantage, eventually stick a Fires of Invention to allow us to cast our spells for free (and spend our mana activating Kenrith, the Returned King or scrying with Omen of the Sea), and overwhelm our opponent with planeswalker value and even planeswalker attacks with the help of Sarkhan the Masterless
I'm sure that the next version will probably have 20-30 cards but that is just a guess." Actually, try well over 100 Innistrad cards