The original Bill of Rights

The Anti-Title Amendment

The Slavery Amendment

The Child Labor Amendment

The Equal Rights Amendment

The Washington DC Voting Rights Amendment

To lay and collect Taxes, Duties, Imposts and Excises

To pay the Debts and provide for the common Defense and general Welfare of the United States;...

To borrow Money on the credit of the United States;

To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes;

To establish an uniform Rule of Naturalization, and uniform Laws on the subject of Bankruptcies throughout the United States;

To coin Money, regulate the Value thereof, and of foreign Coin, and fix the Standard of Weights and Measures

To establish Post Offices and post Roads

To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries

To constitute Tribunals inferior to the supreme Court

....and the list can go on and on.

But when it comes to the Elastic Clause its role is to grant Congress the power to pass all laws necessary and proper for carrying out the enumerated list of powers.

The Constitution limits the power of the government in several ways. It prohibits the government from directly interfering with certain key areas: conscience, expression and association. Other actions are forbidden to the federal government and are reserved to state or local governments.

No Bill of Attainder or ex post facto Law shall be passed.
No Capitation, or other direct, Tax shall be laid, unless in Proportion to the Census or Enumeration herein before directed to be taken.
No Tax or Duty shall be laid on Articles exported from any State.
No Preference shall be given by any Regulation of Commerce or Revenue to the Ports of one State over those of another; nor shall Vessels bound to, or from, one State, be obliged to enter, clear, or pay Duties in another.
No Money shall be drawn from the Treasury, but in Consequence of Appropriations made by Law; and a regular Statement and Account of the Receipts and Expenditures of all public Money shall be published from time to time.
No Title of Nobility shall be granted by the United States