Eilthana, Storm Wind

Haste
At the beginning of your end step, create X
colorless Clue artifact tokens with "{2}, Sacrifice
this artifact: Draw a card" where X is the
number of historic spells you've cast this turn.
{u}{u}{t}: Exile target permanent you control.
Return it to the battlefield under it's owner's
control at the beginning of your next upkeep.
{r}{r}{t}, Sacrifice X artifacts: Eilthana, Storm
Wind deals X damage to any target.