Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter). Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.
![Aetherstorm Roc [Kaladesh Prerelease Promos]](http://paradoxtcg.com/cdn/shop/products/bdca4b56-c2b1-5ba1-9504-d918c2b24983.jpg?v=1702344563&width=1445)
