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 Foil - £8.10
Lightly Played Foil - £6.90
Moderately Played Foil - £5.70
Heavily Played Foil - £4.10
Damaged Foil - £2.50
Near Mint Foil Non English - £8.10
Lightly Played Foil Non English - £6.90
Moderately Played Foil Non English - £5.70
Heavily Played Foil Non English - £4.10
Damaged Foil Non English - £2.50