...it doesn't really know where the Erase is, it can't detect other Cards. He gets the mental/magical equivalent of a shrug.

That was predictable, but he had to try.

He rejoins the others.

"So, I need a better plan than Flying around. Any ideas?"

"Well you could just stop time."

"I could probably do that if I had the Time card."

"This is where most people say 'please'."

"Please save the world in exchange for pleasantries."

"Time, hold still the clock. Release."

And a green forcefield expands from where they are, holding everything still.

"Wicked."

"Do you want this one?"

"I'm not sure it's the best idea for Clow Reed to have Cards. Feels unfair."

"Erase, return to your power confined."

Just as he says "Erase" time resumes, though, and it jumps elsewhere.

"—okay so time limit on the time stop?"

"Looks like it. Hop on the broomstick, you can use Time while I fly us closer."

"Thanks, but I'm good. Jump, release."

He can now jump very high!

He looks for the Erase.

"Should we figure out how we're explaining all this?"

It is frozen mid-Erase over there.

"Capture first, think later, I think."

"Erase, return to your power confined!"

It returns without fanfare, and then time resumes passing.

He returns to the others, using his actual human abilities and everything.

"Maybe we can make this pass off as a mass hallucination if we just return everything that was Erased quick enough—"

"Let's hope. Erase, return what you took, release."

One by one, the buildings and people are returned to their places.

And here's Stiles.

"...so. That happened, I guess. It got me?"