if it costs me mana to create a token is that its mana cost?
if it costs me mana to create a token is that its mana cost?
no. the converted mana cost of a token will generaly be 0.
The exception to that rule is when the token is a copy of something (through, for example, Rite of Replication). In that case, the token's mana cost is the same as whatever it's copying.
Fluttershy is best pony.