Surtland Elementalist - Theme Booster (KHM) from Kaldheim, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Nicholas Gregory
• Card Text:
  As an additional cost to cast this spell, reveal a Giant card from your hand or pay 2.
  Whenever Surtland Elementalist attacks, you may cast an instant or sorcery spell from your hand without paying its mana cost.