Whir of Invention [Aether Revolt Prerelease Promos] Dragon Wizard Colossus of Sardia doesn't untap

Colossus of Sardia doesn't untap during your untap step

Set: Arena League 1999 Type: Basic Land — Plains Rarity: Rare ({T}: Add {W}

Set: Judge Gift Cards 2003 Type: Instant Rarity: Rare Cost: {2}{U} Search your library for three cards and reveal them

untap Goblin Sharpshooter

Whenever enchanted land is tapped for mana

Whir of Invention [Aether Revolt Prerelease Promos] Dragon Wizard Colossus of Sardia doesn't untapSet: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.