Relentless Necromancer

When Relentless Necromancer dies, you
may pay {p/g}.If you do, return it to its owner's
hand. If you paid life to activate this ability
discard a card.
When Relentless Necromancer dies, you may pay
{x}. If you do, return another target Necron
creature card with mana value X from your graveyard to the battlefield.