Alhake, The Sea's Storm

This creature costs {1} less for each artifact,
Instant, sorcery, enchantment, or land card
in all graveyards.
Islandwalk, Annihilator 2, Deathtouch
This creatures power and toughness is equal
to how much mana you spent on it.
{u}{u}{b}{b}{1}: Destroy up to 3 artifacts and/or
enchantments.