MTG Salvation

Alright, so Kankennon and Moss_Elemental suggested that there be a thread for this, so here it is! This will be a thread where people try to solve cryptic clues! In this game, rather than there being one big crossword to solve, only one clue is active at a time.

Like Before and After/Kank's Premium Blend, if you get one right, you get to make the next clue! Also, this is a Magic-based forum... you can use Magic references if you want!

Also, no indirect anagrams please! Those things have been known to be too hard. If another clue turns out to be too hard, the clue-writer may provide hints by filling in a few letters.

Anyways, first clue...

Destroy 10% or four (8)

(Those who browsed DailyMTG recently might get this...)

[Note: This thread is not going to replace my regular crosswords; I'm still making those.]

Decimate?

Yep. You're up!

Yes, that works.

Mix-up scare track meets (5)

RACES?

(Also, rules are updated about what to do if a clue is too hard.)

You got it. Your turn.

Stem creep (5)

That might be a valid answer if this were a clue in a normal crossword, but I'm not sure as for a cryptic one...

Hint:
S _ _ _ _

It's closer to "creep", but not really a "stem"... You're getting closer...

Well, since you had another letter right, I'll add that letter:

S _ _ _ K

Stalk!!!

Not good with coming up with my own ones Aurora you can do mine.

Alright, that's the correct answer... as for the next clue...

Strange triangle under y = x?! (8)

Isoceles?

No...

Well,
I _ _ _ _ _ _ _

No... "Strange" is an anagram indicator...

Integral?

It's INTEGRAL. Yep, the integral of the identity function is the area of that triangle there.

Cobalt tungsten gives milk (3)

Cow?

You got it. Your turn.