The phrase "ability to summon a" is correct and usable in written English.
It can be used when discussing someone's capacity or skill to call forth or bring something into existence, often in a magical or metaphorical context.
Example: "The wizard's ability to summon a powerful storm was unmatched among his peers."
Alternatives: "capacity to invoke a" or "skill to call forth a".
Durrow has a terrific ear for dialogue, an ability to summon a wealth of hopes and fears in a single line.
He is a strikeout pitcher, and his ability to summon a big pitch is what extricated him from what could have been severe trouble in the third.
The ability to summon a car with a smartphone app sounds convenient, but lawmakers and city governments have been nervous about how these apps might pose risks to consumers.
After users choose from the zillions of costumes and body types, they pick from 400 different powers, including laser blasts, gravity control, mind control or the ability to summon a snowman that delivers quick-freezing breath.
Uber costs more than a cab obviously (the company is currently experimenting with pricing) but totally worth it if you need to get somewhere fast, safely or just want to impress someone with your uncanny ability to summon a black car at will.
The party meets up again and Ikutsuki reveals that Aigis is an Anti-Shadow weapon with the ability to summon a Persona.
After escaping the dangers of his army, using Ludo's ability to summon an army of rocks, Sarah realizes she must face Jareth alone.
The objective of Scribblenauts, as implied by its catchphrase "Write Anything, Solve Everything", is to complete puzzles to collect "Starites", helped by the player's ability to summon any object (from a database of tens of thousands) by writing its name on the touchscreen.
You've got to think the ability to summon up a Cromwell like Mantel's would indicate the possibility that a real one exists somewhere now, if not in Washington then in Tehran or Pyongyang.
But Miller's gift for characterization and ability to summon up a world that convinces absolutely, even though it never was, cut against the overt symbolism enough to excuse a flaw or two — especially as the irrational and occult whittle away at "the power of reason".
Gaining the ability to summon demons from a cell phone app, Hibiki and his friends team up with an organization known as the JP's to help protect Japan and above all else survive.
