Counterspell is better than Cancel because it offers the same effect at a lower cost
Some types, like Goblins and Elves, have an absurdly deep card pool, while others, like the humble Snake, have more of a card puddle
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) : Add
I've had a browse through what's on offer, and here are three sealed products that I would recommend grabbing if you're in the US, and in the mood to expand your collection
Crossover: There is a kickass V-Jump wallpaper, showing Yuya with Beast-Eyes Pendulum Dragon and Super Saiyan Son Goku with Shenron/Shenlong from Dragon Ball
Factor in a huge amount of legendary support cards, and a deck built around a legendary theme becomes more than viable