Master Chief, John 117

Flash Whenever Master Chief, John 117 enters the battlefield or attacks, you may play an equipment card from your hand or graveyard for its Equip Cost, and equip it onto this card. Spartan Time (Spartan Time gives creature First Strike and Haste) The Equip Cost for equipment spells you control are reduced by X, where X is the number of equipment cards equipped to Master Chief, John 117. Artifact Affinity