So a search for black and red cards of type "knight" that are uncommon would be:
"c:rb+t:knight+r:u"
Or a blue only creature with flying that costs less than 3 mana with "cloud" in the name:
"c=u+t:creature+d:flying+cc<3+n:cloud"
column legend:
c color
t type/subtype
r rarity
mc mana cost
cc converted cost
n name
d description/text
f flavor text
po power
to toughness
lo loyalty
l legality
s set
a artist
compare legend:
: like/contains
= exact match
! not
As per @jesseflorig
[[col][match type][query]] + [[col][match type][query]] + [...]
So a search for black and red cards of type "knight" that are uncommon would be:
"c:rb+t:knight+r:u"
Or a blue only creature with flying that costs less than 3 mana with "cloud" in the name:
"c=u+t:creature+d:flying+cc<3+n:cloud"
column legend: c color t type/subtype r rarity mc mana cost cc converted cost n name d description/text f flavor text po power to toughness lo loyalty l legality s set a artist
compare legend: : like/contains = exact match ! not