Claude, Almyran Barbarossa

Flying, ward {1}
When Claude, Almyran Barbarossa enters the battlefield, for each player, choose up to one
other target artifact or creature that player
controls. For as long as Claude, Almyran
Barbarossa remains on the battlefield, the chosen permanents become treasure artifacts with "{t}, Sacrifice this artifact: Add one mana of any
color" and lose all other abilities.