Plate of the Nine

Equip: {3}
Regenerate: {r/w}{r/w}{w/b}
Equipped creature gains +{x}/{x}, where {x} is the amount of mana you have spent this turn.
Equipped creature gains First Strike while devotion to {r} is above 7
Equipped creature gains Indestructible while devotion to {w} is above 7
Equipped creature gains Hexproof while devotion to {b} is above 7