Titan of Littjara is a card that any typal deck might want, as it becomes any creature type when it enters the battlefield and can then draw a card for each card of the chosen creature type you control when it attacks or when it entered the battlefield
Ulamog, the Ceaseless Hunger There are a few powerful monsters lurking in Historic, waiting to get the play they deserve
The rest of your deck is not so resilient to a board wipe - and a board wipe can seriously set you back, though you can usually hold up a counterspell or two to protect your ninja army
Some cards in the set have a black border and for a time, were tournament legal
The Secret Lair: Godzilla Lands drop series is only going to last for 24 hours as all of these Secret Lair drops do, and will begin on May 7th, beginning at 9AM, Pacific Time (that's 12 Noon, Eastern Time for those of you looking for that information)
Vaynes Treachery (great) Vayne's Treachery is also strong, though youll need some help from your deck to kill large creatures with it