Paying 10 life is an extreme price, but you can also play it on opponents turns
While its not Blasphemous Act, I can see this card going in a LOT of decks between the convoke, large mana cost, and many token strategies
Note it doesn't have to have been milled, so that's great with the Blue one
The Landfall Stuff A lands deck wouldn't be complete without Avenger of ZendikarAvenger of Zendikar, Scute SwarmScute Swarm, and Rampaging BalothsRampaging Baloths
She won't find her usual dance partner on MTGA, but either with Ishai as an Esper duo, or with Bruse as a Mardu pairing, she'll make quite a few waves in the Brawl pond
Third, Assassin's Creed gets us one step closer to the perfect triumvirate of powerful Shauns in MTG by adding Shaun & Rebecca, Agents to Shaun, Father of Synths