For your winning strategy, follow the basic Planeswalker rules
Of course card draw is not always the regular card draw everyone has in mind, where you put a number of cards from your library into your hand, but appears in other forms or abilities the most common of which are: Impulse draw: Exiling cards from the top of the library to cast them for a limited time period
It's actually two cards, that combine to form a single card with the standard M:TG monster, representing you summoning a 99/99 Big Furry Monster that also requires you to pay a frick-ton of black mana, and can only exist if both card sits no the board, because it's such a big furry giant-thing
So, if you want a particular number or Doctor for your collection, you can always wait until it shows up on the secondary market and buy it
Even if the caster has a weak board, Ruinous Ultimatum is still worth casting if they can't wait for another, cheaper board wipe
In addition to exclusive promo cards and accessories, subscribers also get to open one extra card pack per day, for a total of 15 cards