Game length depends on the number of players, deck power level, and how familiar everyone is with their deck
In general, the fewer colors your deck has, the more consistent it will be, but stripping out colors also restricts what cards you are able to play
7 Rest In Peace Flavor Text Is Free Anyone familiar with Modern can tell you that this reprint was once a necessary sideboard inclusion in any deck playing white
Using a Phoenix Down, or a healing or resurrection spell, against an undead creature will actually hurt or even kill it, so long as they don't have the Safety augment
And as we played more, it became obvious that our one small dungeon didn't have enough variety from one game to the next to support people jamming in hundreds and hundreds of games, and the sense of exploration would diminish even faster
But make sure you are incorporating cards which can also be discarded, as draw cards often have that secondary effect