mtg land deck commander Elite Destruction - Jeskai - Red Blue White - EDH - Numot, The Devastator - 100 Card - Custom Magic The Gathering Deck a star system teeters on the brink of disaster Witch cards should I choose

This is possibly the best thing thats been done for Commander players for a long time, but it helps out everyone else too

You're getting kinda greedy, don't you think

Descending was used to describe two slightly different mechanics, causing confusion, and discover has proven to be problematic in a number of different formats

This can destroy certain decks that need their mana for other things such as casting creatures, and can force them to budget their mana a lot more than they usually would while you just continue playing (assuming youre playing a deck that is big on mana, that is, otherwise this will greatly affect you too)