Altea (BT20-086) - Release Special Booster 2.5

[Start of Your Turn] If you have 2 or less memory, set it to 3.
[Start of Your Main Phase] By placing 1 play cost 4 or lower black Digimon card with the [Cyborg] or [Machine] trait from your hand or trash as any of your [Cyborg] or [Machine] trait Digimon's bottom digivolution card, flip your opponent's top face-down security card face up.

[Security] Play this card without paying the cost.