Borea Lux

+2: Add 2 mana of any colour that your lands can produce to your mana pool.
-3: If your opponent controls any lands of the same type as you, you may take control of up to 2 of them, then tap them.
-7: You gain an Emblem with "Each time you tap a Land to produce mana, you gain 1 more mana of that colour".