You may put a permanent card with mana value 3 or less from among them onto the battlefield with a shield counter on it
The Main Deck Negators are Endymion, the Mighty Master of Magic (S/T card or effect, SOPT), Mythical Beast Jackal King (monster effect, SOPT), Reflection of Endymion (bounce when SS by Selene), and, in Draw Endymion, Magician's Right hand (first Spell Card/effect each turn)
Paradoxical Outcome The best-case scenario for Paradoxical Outcome is to bounce your board in response to a board wipe, saving your stuff while drawing cards in the process
Tier Ranking With the loss in power of SPYRALs, Magicians was expected by some to return to the top spot it held in the meta prior to Circuit Break
As a result, your opponent will not be able to: Build a strong field