EXHIBIT
31.2



RULE
13a-14(a)/15d-14(a) CERTIFICATION



I,
Dick Johnson, certify that:



1.       I
have reviewed this quarterly report on Form 10-Q for the quarter ended June 30, 2007 of Arizona Gold and Onyx Mining Company
f/k/a Viking Capital Group, Inc.;



2.       Based
on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect
to the period covered by this report;



3.       Based
on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented
in this report;



4.       The
registrant’s other certifying officer(s) and I are responsible for establishing for establishing and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting
(as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:



| | a. | Designed
                                         such disclosure controls and procedures, or caused such disclosure controls and procedures
                                         to be designed under our supervision, to ensure that material information relating to
                                         the registrant, including its consolidated subsidiaries, is made known to us by others
                                         within those entities, particularly during the period in which this report is being prepared;
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b. | Designed
                                         such internal control over financial reporting, or caused such internal control over
                                         financial reporting to be designed under our supervision, to provide reasonable assurance
                                         regarding the reliability of financial reporting and the preparation of financial statements
                                         for external purposes in accordance with generally accepted accounting principles,
| | -- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | c. | Evaluated
                                         the effectiveness of the registrant’s disclosure controls and procedures and presented
                                         in this report our conclusions about the effectiveness of the disclosure controls and
                                         procedures, as of the end of the period covered by this report based on such evaluation;
                                         and
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| | d. | Disclosed
                                         in this report any change in the registrant’s internal control over financial reporting
                                         that occurred during the registrant’s most recent fiscal quarter (the registrant’s
                                         fourth fiscal quarter in the case of an annual report) that has materially affected,
                                         or is reasonably likely to materially affect, the registrant’s internal control
                                         over financial reporting.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



5.       The
registrants other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons
performing the equivalent functions):



| | a. | All
                                         significant deficiencies and material weaknesses in the design or operation of internal
                                         control over financial reporting which are reasonably likely to adversely affect the
                                         registrant’s ability to record, process, summarize and report financial information;
                                         and
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b. | Any
                                         fraud, whether or not material, that involves management or other employees who have
                                         a significant role in the registrant’s internal control over financial reporting.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



May
8, 2018



| | /s/
     Dick Johnson        
| | -----------------------------
| | Dick
    Johnson             
| | (Chief
    Financial Officer)