Skeleckrow Colossus

Patchwork- When Skeleckrow Colossus enters the battlefield, you may exile any number of artifacts and/or creatures. It has all activated abilities of all permanents exiled this way.
Whenever you spend mana to activate an ability of Skeleckrow Colossus, you may create X 1/1 black skeleton creature tokens, where X is the amount of black mana spent to activate that ability.