You can only use this effect of "Nine-Lives Cat" once per turn
The 1st Mulligan in Magic However, mulligans were instated literally less than a year later, in 1994
External links[] Problem-Solving Card Text, Part 1: Reading the Cards of Tomorrow Problem-Solving Card Text, Part 2: New Words & Phrases Problem-Solving Card Text, Part 3: Conditions, Activations, and Effects Problem-Solving Card Text, Part 4: The Clues on Your Cards Problem-Solving Card Text, Part 5: Special Summons Problem-Solving Card Text, Part 6: Finding Clues in TU6 & GENF Problem-Solving Card Text, Part 7: 2012 Update Conjunction Functions
For the uninitiated, Commander is a semi-casual format for Magic: the Gathering
Let us check Tarmogoyfs ability for these criteria, shall we