Honestly, the first use of the front side is too lacking in card advantage to be viable
If you don't have the city's blessing, you lose 1 life
Bounce and counterspells dont match up well against one- and two-mana creatures
Cedric Phillips Wrenn and Seven Arlinn, the Packs Hope Burn Down the House Memory Deluge Fateful Absence Wrenn and Seven is the kind of planeswalker thats geared towards exactly Standard-level play
The Reserved List solved an existential crisis back in 1996, but because it promised that the cards on the list would " never " be reprinted (and because Wizards has mostly kept this promise for 25 years), it has ended up causing problems in the decades since as we are stuck with a supply of Gaea's Cradles, Underground Seas, and Lion's Eye Diamonds befitting a game with hundreds of thousands of players for a game that now has 20 million
Game shops will typically buy any card thats worth more than 50 cents or so, but theyre going to offer something called buylist prices. These are considerably cheaper prices than what they sell, so youre going to take a 10-20% hit on the value of your cards if you go this route