Osteo's Accursed Sceptre

Equip: {1}
{t}: Activate this ability only if this is equipped to
a skeleton and if you have at least one Bone
token. Sacrifice {x} Bone tokens, and then put
that many cards from the top of your deck into
the graveyard. Then put a Skeleton with a
converted mana cost of one from your graveyard
onto the battlefield.