You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary if that permanent is legendary.
NM-Mint - $7.80
Lightly Played - $7.40
Moderately Played - $7.00
Heavily Played - $6.20
Damaged - $5.10
NM-Mint Non English - $7.80
Lightly Played Non English - $7.40
Moderately Played Non English - $7.00
Heavily Played Non English - $6.20
Damaged Non English - $5.10