Maxx "C" - AP04-EN002 - Ultimate Rare - Unlimited from Astral Pack 4, available at 401 Games Canada.

• Rarity: Ultimate Rare
• Card Text:
  You can activate this effect during either player's turn by sending this card from your hand to the Graveyard. This turn, each time your opponent Special Summon a monster(s), draw 1 card. You can only activate "Maxx "C"" once per turn.