You can only use the (1)st, (2)nd and (3)rd effects of this card’s name each once per turn.
(1) You can send 1 face-up “Centur-Ion” card you control to the GY; Special Summon this card from your hand, also you cannot Special Summon “Centur-Ion Gargoyle II” for the rest of this turn.
(2) If this card is sent to the GY as Synchro Material: You can add it to your hand.
(3) During the Main Phase, if this card is a Continuous Trap: You can Special Summon it, then you can decrease its Level by 4.