Aethergenesis

You may pay {2}{g/u} and return two creatures you
control to their owner's hand instead of paying
this spell's casting cost.
Creatures you control enter the battlefield with a
number of additional +1/+1 counters on them
equal to their mana costs.
{2}{g/u}, Reveal this card from your hand: Draw a
card, then put this card on top of your library.