Minamo, School at Water's Edge [Champions of Kamigawa] Insect if you control the artifact

if you control the artifact with the highest mana value or tied for the highest mana value

It has "This creature's power and toughness are each equal to your life total

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

a will so disciplined that it dispenses justice without ego or remorse

Set: Ixalan Type: Artifact — Equipment Rarity: Rare Cost: {2} When Dowsing Dagger enters the battlefield

Minamo, School at Water's Edge [Champions of Kamigawa] Insect if you control the artifactSet: Champions of Kamigawa Type: Legendary Land Rarity: Rare {T}: Add {U}. {U}, {T}: Untap target legendary permanent. Its students graduate the school and enter history.