Drain Power [Revised Edition] Assembly-Worker and it has this ability

and it has this ability

she rejoined Gerrard aboard the *Weatherlight* as his unofficial first mate shortly after he assumed command of the flying ship

Set: Commander Anthology Volume II Type: Artifact Rarity: Common Cost: {2} {1}

Set: Beta Edition Type: Creature — Giant Rarity: Common Cost: {3}{R} Fortunately

−7: Exile the top ten cards of your library

Drain Power [Revised Edition] Assembly-Worker and it has this abilitySet: Revised Edition Type: Sorcery Rarity: Rare Cost: {U}{U} Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.