The reason why Solitude is much better in Modern than in Legacy, where its largely only played in Recruiter of the Guard decks, is that the presence of Daze/Wasteland and the format being faster means its quite difficult to hardcast Solitude
Michelangelo, Weirdness to 11 (Borderless) Non-Foil Price: $14.21 USD Foil Price: $18.67 USD The Borderless Scene print of Michelangelo, Weirdness to 11 is another chase card from the MTG TMNT main set
Later Auras played with a mix of this, sometimes providing both a permanent boost and a temporary one when the enchantment enters the battlefield, sometimes just a permanent effect that can have strategic value in when you play it
In Commander, Equipment is a massively popular archetype that routinely receives new support
Even a regular Alpha card can cost thousands of dollars
This causes the Equipment to stop being a creature as long as it's attached