Whenever an instant or sorcery spell is cast during your turn, Sentinel Tower deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn.

The built-in obstacles force competitors to think three moves ahead.

• Number: 79
• Rarity: R
• Type: Artifact
• Mana cost: 4
• Color: Colorless
• Artist: Jung Park