I was a little worried about this list becoming all-Gandalf, all the time
Wizards of the Coast recently promised to send an uncut foil sheet of War of the Spark as compensation to those who successfully ordered and received confirmation emails for the WAR Mythic Edition special release but did not receive product (and were instead refunded)
Six mana is a heck of a lot of mana for a wrath effect, especially when you already have Day of Judgment, Ultima, and Beyond the Quiet already in your format
Paradise Mantle actually provides a mana you can then use to untap
An Aura put onto the battlefield this way can enchant an artifact, land, or creature that was already put onto the battlefield, but can't enchant an enchantment that's being put onto the battlefield at the same time as it
I've had it happen when my foe had a Commander with a combat damage trigger and they needed to draw the card off Lu Xun, Scholar General or their Ashling, the Extinguisher