Every time a creature leaves your graveyard, one of your phoenixes (including Syrix) gets to blast any target equal to its powerperfect for clearing blockers or hitting face
Since Pendulum Monsters go to the Extra Deck, you can follow this effect up by Pendulum Summoning it to further push card advantage
In a somewhat controversial move, Wizards of the Coast has decided to represent the main series games at severely lopsided amounts throughout the set
Scapeshift is mostly known for its power alongside cards like Primeval Titan and Valakut, the Molten Pinnacle in Modern, where the ability to sacrifice any number of lands and then tutor up that many lands and put them directly on the battlefield often ends the game on the spot with a massive pile of Valakut triggers
Whats neat about this compared to Divine reckoning is that you get to enjoy the enters the Battlefield effect on top of being the only one with any creatures in play
While Uro is the only Escape card I currently play, there is definitely room for more