All together at last, thanks to Jumpstart
This was released in December 2015 as a freemium game and continues to be updated with new card sets from the physical game
Number 4 Language English Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Banned Formats Commander, Legacy, Vintage Rulings (5/29/2014) You must turn Double Stroke face up before you cast the spell with the chosen name to have Double Stroke's second ability trigger
Only 39 copies were issued, and far fewer exist in high grade
All sorts of chicanery is possible, from red-white Madness-control deck to a blue-red Heroic aggro to green-white reanimator
It's a card that snowballs if not answered, and why it's such a good card