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 - $6.70
Lightly Played - $6.40
Moderately Played - $6.00
Heavily Played - $5.40
Damaged - $4.40
NM-Mint Non English - $6.70
Lightly Played Non English - $6.40
Moderately Played Non English - $6.00
Heavily Played Non English - $5.40
Damaged Non English - $4.40