Sir Isaac Newton

When Sir Isaac Newton enters the battlefield,
you may search your library for a hisoric card,
reveal it, and put it into your hand. Then,
shuffle your library.
{t}: Add one mana of any color. Spend this mana
only to cast historic spells.
{t}, Scry 1, then draw a card. Activate only if you control a historic permanent.
Every action has an equal and opposite reaction