getafeel/objects/obj_card/Step_0.gml

/// @description step

switch(state)
{
    case CARDSTATE.INIT:
		// init things
        state = CARDSTATE.WAIT;
    break;
	
	case CARDSTATE.WAIT:
		// waiting
	break;
	
	case CARDSTATE.ACTIVATED:
		dmg = irandom_range(dmg_min, dmg_max);
		
		state = CARDSTATE.WAIT;
	break;
	
	default:
		//
	break;
}