play digimon digital card battle online (2000) Digimon World: Digital Card Battle

During your opponent's Main Phase (Quick Effect): You can discard 1 "Photon" card and 1 "Galaxy" card, OR discard 1 "Galaxy-Eyes Photon Dragon", then target 1 Special Summoned monster your opponent controls

Gagaga Gardna X EARTH Level 4 [ Warrior / Effect ] ATK 1500 DEF 2000 When an opponent's monster declares a direct attack: You can Special Summon this card from your hand

If you are not super comfortable with that just yet, you will want to identify what exactly your decks goal is before you begin building

Zoroark ex can be obtained from Pulsing Aura Booster Pack in the Pulsing Aura Set

Again, the real card is on the left and the fake is on the right