Nerd Rage (PIP) from Fallout, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Irina Nordsol
• Card Text:
  Enchant creature
  When Nerd Rage enters the battlefield, draw two cards.
  Enchanted creature has "You have no maximum hand size" and "Whenever this creature attacks, if you have ten or more cards in hand, it gets +10/+10 until end of turn."