Gear Gigant X
2 Level 4 Machines
① Once per turn: You can detach 1 Material from this card; add 1 Level 4 or lower Machine from your Deck/GY to your hand.
② When this face-up card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your GY; Special Summon that target.
This card's ② effect can miss the timing.