Ahtal-Neset

Indestructible, Trample When Ahtal-Neset enters, attach all artifacts on the battlefield to Ahtal-Neset. Ahtal-Neset gains +X/+X where X is the total converted mana cost of all artifacts attached to Ahtal Neset. If Ahtal-Neset were to leave the battlefield instead return all artifacts attached to Ahtal-Nesset to their owners and transform Ahtal-Neset.