If that permanent is red or green, put it on top of its owners library instead
This will certainly boost the power of the deck, just not to the same level that you can upgrade others (like Timeless Wisdom)
I dont remember anyone even abusing this with the various enchantment synergies of the set
Bill Potts Corporeal Projection Curse of Echoes Feather, Radiant Arbiter Glimmervoid Basin Gnoll War Band Hive Mind Ian Chesterton Ink-Treader Nephilim Mirrorwing Dragon Mists of Lrien Muddle, the Ever-Changing Precursor Golem Radiant Performer Radiate Zada, Hedron Grinder Zevlor, Elturel Exile
This one-mana instant can stifle a Ruby Storm opponent mid-combo, prevent a suspended Lotus Bloom from being cast, or lock down a midrange opponent's ability to cast spells or attack for a crucial turn
No part of this card is mechanically out of line for the game