Release Period: August 2006 - March 2007
Amount of Cards: 17

The POP Series 4 set continued Nintendo's release of small subsets for the Pokémon Organised Play leagues. This set was released shortly before EX: Crystal Guardians set.. Like all POP sets it has 17 cards. This set was the first of the POP Series cards to feature any Delta Species Pokémon.

Special thanks to SkittyOnWailord for scanning these for us

Set Number	Picture	Card Name	Card Details
POP Series 4 1 / 17		Chimecho δ	60HP Weakness Resistance Retreat Cost
POP Series 4 2 / 17		Deoxys δ	70HP Weakness Resistance Retreat Cost
POP Series 4 3 / 17		Flygon	120HP Weakness Resistance Retreat Cost
POP Series 4 4 / 17		Mew	70HP Weakness Resistance Retreat Cost
POP Series 4 5 / 17		Sceptile	100HP Weakness Resistance Retreat Cost -30
POP Series 4 6 / 17		Combusken	70HP Weakness Resistance Retreat Cost
POP Series 4 7 / 17		Grovyle	70HP Weakness Resistance Retreat Cost -30
POP Series 4 8 / 17		Heal Energy	Special Energy
POP Series 4 9 / 17		Pokémon Fan Club	Supporter You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.
POP Series 4 10 / 17		Scramble Energy	Special Energy
POP Series 4 11 / 17		Mudkip	50HP Weakness Resistance Retreat Cost
POP Series 4 12 / 17		Pidgey	40HP Weakness Resistance Retreat Cost -30
POP Series 4 13 / 17		Pikachu	50HP Weakness Resistance Retreat Cost
POP Series 4 14 / 17		Squirtle	50HP Weakness Resistance Retreat Cost
POP Series 4 15 / 17		Treecko δ	40HP Weakness Resistance Retreat Cost -30
POP Series 4 16 / 17		Wobbuffet	80HP Weakness Resistance Retreat Cost
POP Series 4 17 / 17		Deoxys ex	110HP Weakness Resistance Retreat Cost