However, a few things have changed over the last several years that have led to Paradigm Shift actually seeing play in every format its legal in the printing of two very good cards that have alternate win conditions tied to you shrinking your library or erasing it entirely
However, if you're willing to spend more than $20, grab a near-mint (NM) copy for $30 or less, with some sales sinking below $25
Youll play it to protect your commander, your creatures, or just all your permanents from a wrath effect and more
1 Professor Sada's Vitality is One of the Game's Most Versatile Cards Released in SV04: "Paradox Rift" Raging Bolt ex might be the most powerful Ancient Pokmon, but Ancient strategies would not be able to function without their best supporter card, as each of these strategies is defined by the consistency provided by Professor Sada's Vitality
Animar, Soul of Elements Ditto this nasty leader too