Its an Energy-based board sweeper, and unlike Localized Destruction, it can also go after artifacts and enchantments
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on
The win the game gimmick is cute, but its very hard to pull off
Take note, these are unconfirmed leaks from a third party source so view at your own discretion
and a full reprint of Ravnicas popular shock lands - which grant two colours of mana but enter the field tapped unless the player pays two life - in both standard and borderless variants
Otherwise, its Wheel of Fortune to draw more gas and if you have your commander, the cards you discard to wheel will still be castable with the flashback effect