Lychs' Die Set

{2}, Mill two cards,{t}: Put D3 roll
counters on Lych's Die Set.
{3}, Remove a roll counter, {t}: Roll a D6. Return a creature or artifact with converted mana cost
equal to the rolled number from
your graveyard to the battlefield.
{x}{4}, Remove X roll counters,{t}: Return a random creature card with converted mana cost X from any graveyard to the battlefield under your control.