This spell costs less to cast for each instant and sorcery spell you've cast this turn.

Whenever Demilich attacks, exile up to one target instant or sorcery card from your graveyard. Copy it. You may cast the copy.

You may cast Demilich from your graveyard by exiling four instant and/or sorcery cards from your graveyard in addition to paying its other costs.

Prevent all combat damage that would be dealt to attacking artifact creatures you control.

Whenever one or more artifact creatures enter the battlefield under your control, draw a card. This ability triggers only once each turn.