Simple Diamond Shape

This card can only be cast with a Maths Equation.
{t},{g/u}{g/w}: Remove one maths counter from Simple Diamond Shape, choose up to two:
• Draw X cards, where X is the amount of Maths Equations in your graveyard
• Create X Y/Y blue diamond creature tokens and
lose |(|X| - |Y|)| life, where X is the amount of Maths Equations in your graveyard and Y is the amount of maths counters on Simple Diamond Shape.