Covert Technician
Artifact Creature - Human Ninja
| Power/Toughness:
2 / 4
(CMC 3)
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Covert Technician deals combat damage to a player, you may put an artifact card with mana value less than or equal to that damage from your hand onto the battlefield.