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.
Near Mint - $3.200
Lightly Played - $2.600
Moderately Played - $2.300
Heavily Played - $2.000
Damaged - $1.600
Near Mint Spanish - $3.200
Lightly Played Spanish - $2.600
Moderately Played Spanish - $2.300
Heavily Played Spanish - $2.000
Damaged Spanish - $1.600