Demineralize

Counter target spell.
If it`s a creature spell, it`s owner put`s the top X
cards of his or her library into his or her
graveyard, where X is it`s mana cost.
If it`s an instant or a sorcery spell, it`s
owner discard`s X cards, where X is it`s mana
cost.
If it`s an enchantment spell, it`s owner sacrifices
X permanents he conrols, where X is it`s mana
cost.