Mana Vault [Fifth Edition] Modern Masters Whenever an opponent taps a

Whenever an opponent taps a land for mana

Set: Asia Pacific Land Program Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

Mishra also mastered the intricacies of artifice

Set: Beta Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn

Set: Beta Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another

Mana Vault [Fifth Edition] Modern Masters Whenever an opponent taps aSet: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.