Mana-deprivation-related: Similarly, if you have an effect that taps an opponent's mana sources, this is usually the time to use them
This function first checks to see if query string parameters have been passed, for example: ?color=green&set=akh&page=2 If so, the query string parameters are set to the relevant data variables (set/color, and page number, or card name)
Everybody loves a pupper, but WotC has to answer for its seeming Cat bias
Since infect puts -1/-1 counters on creatures it deals damage to, this allows Yawgmoth to act as removal so long as you have a sacrifice outlet
Because being a goblin or human or angel isnt considered an impactful ability, your creatures can actually have all kinds of varied and useful abilities besides just being eligible for your buffs