Altalo, Primal Plunderer

Haste
When Altalo, Primal Plunderer attacks you may discard a card, if you do draw a card.
{1}{r}{u}{b} exile 2 cards from your graveyard:
Exile target non-legendary spell from a graveyard,
you lose life equal to it's mana value.
Until end of turn you may cast that spell without paying its mana cost.
When you do, copy it.
Activate this ability only once per turn.