Secret Lair is also giving a promo card, The Locust God, to every person who spends $200 on a single order
Beefing two creatures for +3/+0 and giving them haste is often enough to end the game in your favor, while also triggering prowess abilities twice
(It can't be blocked except by artifact creatures and/or black creatures.) How much does Kami of the Waning Moon cost
Furthermore, there are no restrictions on the monster's battle position or level, and you can even bring out Ancient Gear Golem, so you can just attack with the highest-level monster
After the above cards Im undecided how the remaining slots will be taken up in the main deck
Lifelink in particular is a great example of how much better lifegain is for an aggressive deck, letting you race other damage-based decks without care