Ash Ketchum's Never-Age Potion

{0} Add X {r}, {u}, {b}, {w}, {g} and {10} to your mana pool (forever). X is the number if turns YOU have had.
{7} All opponents creatures cannot gain any power or toughness and when they try to, they instead lose what they would have gained (forever).
{t}{ut}{t}{ut}{t}{ut}{t}{ut}{t}{ut}{t}{ut}{t}{ut} Alola!