Haikyo, 16th Unit R&D

When Haikyo, 16th Unit R&D enters the battlefield, choose one:
• Assemble a Contraption. If you do not have a
Contraption Deck, create two 1/1 Colorless
Construct creatures with flying.
• Create an Armor Equipment Artifact Token
called 'Emergency Acceleration System' with
'Equipped Creature has First Strike and Haste,
Equip {0}.'
• Destroy target artifact.