Always do this if you can and then sac it like Selfless Spirit to save the team with indestructible and bigger butt too
Some lack of balance is fine in cycles if it means that each card has a different sort of home
Not only do they get in for extra damage, but it's fun to figure out how to use them as an extra resource before they go away
Of course, building your deck with the only creatures being one Street Wraith and two Emrakul, the Aeons Torns is a big cost, and you'll have to play a bunch of ways to tutor up your one Street Wraith for the plan to work, but this plan is actually very similar to that of various Possibility Storm and Polymorph decks, which go to great lengths to ensure their seemingly random payoff is anything but
Card x 10, Playsheet x 1, BOOSTER PACK -THE TIME OF BATTLE- [OP-16] Rarity Common x4, Uncommon x3, Rare x3, Super Rare x2, Promotion Card x2, Leader x1 *Due to the nature of the product, multiples of one card may appear, or it may be difficult to assemble a full set