They do usually take a thousand-years, after all In truth I see this as being viable in some shells that care about pinging and giving creatures deathtouch
Commanders like Muldrotha, the Gravetide help pull creatures back into play from the graveyard to build an advantage
This provides consistent access to spells to cast, even if your hand is running low on cards
Not paying mana for the extra cards is great, even if it will only trigger once per turn
Now they are mostly played for style points and for the obvious snow reasons (Marit Lages Slumber, Dead of Winter, Jorn, God of Winter, etc.)
Enchanted cards are, to say the least, challenging to find