You can tap it to create a token of a nonlegendary creature, give it haste and then sacrifice it at the beginning of the next end step
I doubt youll want Mangara, the Diplomat in an aggressive white deck, but if a slower, more controlling one exists, this is bound to fit right in
Adds counters, and when you add counters to it, lets you scale up fast
The Magic: The Gathering Tarkir Dragonstorm Play Booster Box includes 30 Play Boosters, each containing 14 cards plus a Token or Art card
That probably wasnt ideal, but in the games where I was able to get her out on turn seven, the card was an absolute bomb (in a good way) giving me card advantage and a body that was incredibly hard for my opponents to deal with