How do I know what cards or sets are legal to play with?
29503
How can I tell which cards or sets are currently legal in various formats?
58128
Restrictions around promoting a pawn
127399
How should I determine how many lands of each different color to put in my deck?
41435
Karn, the Great Creator - what defines a 'card from outside the game' in sealed?
14213
How do you calculate the likelihood of drawing certain cards in your opening hand?
82401
How can I tell when to take a mulligan in Magic?
132583
When you discard cards in the beginning of the game, where do they go?
29328
What is the source for defaulting to plain English readings of non-game terms?
101922
What's the most efficient way of determine individual card values for my collection?
77320
How to create data driven effects/abilities for collectable card game
86130
Which set is unwell-orderable?
4349
Cheat-proof online die roller?
89751
Where do I go after the Starter Set?
55755
How can I play games with closed information with players who cheat?
89505
What rolls should players get to see?
76268
Legality of using names in a game?
11507
What pauper cards are legal in MTGO but not paper?