Death Slinger - EX2-071 - Uncommon from EX-02 Theme Booster: Digital Hazard, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Card Text:
  When this card is trashed from your deck, gain 1 memory.
  [Main] Delete 1 of your opponent's level 4 or lower Digimon. For every 10 cards in your trash, add 1 to the maximum level of the Digimon you can choose with this effect.
  Security Effect: [Security] Activate this card's [Main] effect.