Continuous Spell
If you control 2 or more “Drone Sentinel” monsters (at least 1 must be “Drone Sentinel – Core” or “Drone Sentinel – Go”): You can add 1 “C-UAS” Spell/Trap from your Deck to your hand, then you can Set 1 “C-UAS” Spell/Trap from your hand. If you control a “Drone Sentinel” monster, “C-UAS” Spell/Trap Cards you Set this turn can be activated this turn. You can only use this effect of “Drone Sentinel – Triangulation” once per turn. If this card is destroyed and you control a “Drone Sentinel” monster: Set this card to your field.