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 - $5.00
Lightly Played - $4.80
Moderately Played - $4.50
Heavily Played - $4.00
Damaged - $3.30
NM-Mint Non English - $5.00
Lightly Played Non English - $4.80
Moderately Played Non English - $4.50
Heavily Played Non English - $4.00
Damaged Non English - $3.30