Its often joked that the overperformance of European players doing well with it inflates the decks viability in the meta
If a permanent is copying the back face of a double-faced card (even if the card representing that copy is itself a double-faced card), the converted mana cost of that permanent is 0
The Through the Ages cards are a mixed bag
On a fun note, this can help the surprisingly-real Wolf Tribal deck in Standard cast its best spells sooner, accelerating into turn three Nightpack Ambusher or Wicked Wolf before following up with Tolsimir, Friend to Wolves, Garruk, Cursed Huntsman and Arlinn, Voice of the Pack
Enchanted creature gets +2/+2 and cant be blocked unless its attacking its owner or a permanent its owner controls
The art styles range from traditional to cartoony with several stops in between