Name: Sentinel Tower Cost: 4 CMC: 4 Color: CID: Type: Artifact Rules Text: Whenever an instant or sorcery spell is cast during your turn, this artifact deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn. Set/Rarity: Battlebond rare Legality: Legal in legacy, Legal in commander, Legal in duel, Legal in oathbreaker, Legal in vintage Price: $1.63 Foil price: $5.51