You can bank your mana, you can use token-doublers
Sure, the ceiling on a creature like Legion Warboss is pretty high if it isnt answered, but theres not really a lot of work you have to do to make that happen, really
And Standard is full of ways to make tokens, like job select in Final Fantasy, offspring in Bloomburrow, and mobilizing in Tarkir: Dragonstorm
Number 3 We're entering into the "let's get aggressive" phase of this list, and you have to admit, Gisela is a big helper in that
While your LGS might not grade them, they can help you figure out if anything in your collection is worth trading (assuming you take the time to find the most likely cards
The Elder Dragon is played in a variety of Commander decks, like the other Elder Dragons, and is the least valuable dragon from the CLB cycle