Sailors' Bane (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Brian Valeza
• Card Text:
  This spell costs 1 less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure.
  Ward 4 (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 4.)