diff --git a/crates/libtest2-harness/src/harness.rs b/crates/libtest2-harness/src/harness.rs
index 41aa93d..202cf3d 100644
--- a/crates/libtest2-harness/src/harness.rs
+++ b/crates/libtest2-harness/src/harness.rs
@@ -8,22 +8,17 @@ pub struct Harness {
 }
 
 impl Harness {
-    pub fn with_args(args: impl IntoIterator<Item = impl Into<std::ffi::OsString>>) -> Self {
-        let raw = expand_args(args);
-        Self { raw, cases: vec![] }
-    }
-
     pub fn with_env() -> Self {
         let raw = std::env::args_os();
-        let raw = expand_args(raw);
-        Self { raw, cases: vec![] }
+        Self::with_args(raw)
     }
 
-    pub fn case(&mut self, case: impl Case + 'static) {
-        self.cases.push(Box::new(case));
+    pub fn with_args(args: impl IntoIterator<Item = impl Into<std::ffi::OsString>>) -> Self {
+        let raw = expand_args(args);
+        Self { raw, cases: vec![] }
     }
 
-    pub fn cases(&mut self, cases: impl IntoIterator<Item = impl Case + 'static>) {
+    pub fn discover(&mut self, cases: impl IntoIterator<Item = impl Case + 'static>) {
         for case in cases {
             self.cases.push(Box::new(case));
         }
diff --git a/crates/libtest2-mimic/examples/mimic-simple.rs b/crates/libtest2-mimic/examples/mimic-simple.rs
index a60f10c..bdfc68c 100644
--- a/crates/libtest2-mimic/examples/mimic-simple.rs
+++ b/crates/libtest2-mimic/examples/mimic-simple.rs
@@ -5,11 +5,13 @@ use libtest2_mimic::Trial;
 
 fn main() {
     libtest2_mimic::Harness::with_env()
-        .case(Trial::test("check_toph", check_toph))
-        .case(Trial::test("check_katara", check_katara))
-        .case(Trial::test("check_sokka", check_sokka))
-        .case(Trial::test("long_computation", long_computation))
-        .case(Trial::test("compile_fail_dummy", compile_fail_dummy))
+        .discover([
+            Trial::test("check_toph", check_toph),
+            Trial::test("check_katara", check_katara),
+            Trial::test("check_sokka", check_sokka),
+            Trial::test("long_computation", long_computation),
+            Trial::test("compile_fail_dummy", compile_fail_dummy),
+        ])
         .main();
 }
 
diff --git a/crates/libtest2-mimic/examples/mimic-tidy.rs b/crates/libtest2-mimic/examples/mimic-tidy.rs
index 71f50b4..6b72bf6 100644
--- a/crates/libtest2-mimic/examples/mimic-tidy.rs
+++ b/crates/libtest2-mimic/examples/mimic-tidy.rs
@@ -4,7 +4,7 @@ use libtest2_mimic::Trial;
 
 fn main() -> std::io::Result<()> {
     let tests = collect_tests()?;
-    libtest2_mimic::Harness::with_env().cases(tests).main()
+    libtest2_mimic::Harness::with_env().discover(tests).main()
 }
 
 /// Creates one test for each `.rs` file in the current directory or
diff --git a/crates/libtest2-mimic/src/lib.rs b/crates/libtest2-mimic/src/lib.rs
index d2456de..c3adfad 100644
--- a/crates/libtest2-mimic/src/lib.rs
+++ b/crates/libtest2-mimic/src/lib.rs
@@ -43,14 +43,9 @@ impl Harness {
         }
     }
 
-    pub fn case(mut self, case: Trial) -> Self {
-        self.harness.case(TrialCase { inner: case });
-        self
-    }
-
-    pub fn cases(mut self, cases: impl IntoIterator<Item = Trial>) -> Self {
+    pub fn discover(mut self, cases: impl IntoIterator<Item = Trial>) -> Self {
         self.harness
-            .cases(cases.into_iter().map(|c| TrialCase { inner: c }));
+            .discover(cases.into_iter().map(|c| TrialCase { inner: c }));
         self
     }
 
diff --git a/crates/libtest2-mimic/tests/testsuite/all_passing.rs b/crates/libtest2-mimic/tests/testsuite/all_passing.rs
index 6438fe5..f7d3450 100644
--- a/crates/libtest2-mimic/tests/testsuite/all_passing.rs
+++ b/crates/libtest2-mimic/tests/testsuite/all_passing.rs
@@ -10,7 +10,7 @@ fn test_cmd() -> snapbox::cmd::Command {
 fn main() {
     use libtest2_mimic::Trial;
     libtest2_mimic::Harness::with_env()
-        .cases(vec![
+        .discover([
             Trial::test("foo", |_| Ok(())),
             Trial::test("bar", |_| Ok(())),
             Trial::test("barro", |_| Ok(())),
diff --git a/crates/libtest2-mimic/tests/testsuite/argfile.rs b/crates/libtest2-mimic/tests/testsuite/argfile.rs
index 8d671db..720fc63 100644
--- a/crates/libtest2-mimic/tests/testsuite/argfile.rs
+++ b/crates/libtest2-mimic/tests/testsuite/argfile.rs
@@ -11,7 +11,7 @@ fn main() {
     use libtest2_mimic::Trial;
     use libtest2_mimic::RunError;
     libtest2_mimic::Harness::with_env()
-        .cases(vec![
+        .discover([
             Trial::test("one", |_| Ok(())),
             Trial::test("two", |_| Ok(())),
             Trial::test("three", |_| Ok(())),
diff --git a/crates/libtest2-mimic/tests/testsuite/main_thread.rs b/crates/libtest2-mimic/tests/testsuite/main_thread.rs
index 48cf9ed..6d0f57c 100644
--- a/crates/libtest2-mimic/tests/testsuite/main_thread.rs
+++ b/crates/libtest2-mimic/tests/testsuite/main_thread.rs
@@ -8,7 +8,7 @@ fn main() {
     use libtest2_mimic::Trial;
     let outer_thread = std::thread::current().id();
     libtest2_mimic::Harness::with_env()
-        .cases(vec![
+        .discover([
             Trial::test("check", move |_| {
                 assert_eq!(outer_thread, std::thread::current().id());
                 Ok(())
diff --git a/crates/libtest2-mimic/tests/testsuite/mixed_bag.rs b/crates/libtest2-mimic/tests/testsuite/mixed_bag.rs
index 7e36001..9ca3ceb 100644
--- a/crates/libtest2-mimic/tests/testsuite/mixed_bag.rs
+++ b/crates/libtest2-mimic/tests/testsuite/mixed_bag.rs
@@ -11,7 +11,7 @@ fn main() {
     use libtest2_mimic::Trial;
     use libtest2_mimic::RunError;
     libtest2_mimic::Harness::with_env()
-        .cases(vec![
+        .discover([
             Trial::test("cat", |_| Ok(())),
             Trial::test("dog", |_| Err(RunError::fail("was not a good boy"))),
             Trial::test("fox", |_| Ok(())),
diff --git a/crates/libtest2-mimic/tests/testsuite/panic.rs b/crates/libtest2-mimic/tests/testsuite/panic.rs
index 9d2db79..7b164e7 100644
--- a/crates/libtest2-mimic/tests/testsuite/panic.rs
+++ b/crates/libtest2-mimic/tests/testsuite/panic.rs
@@ -10,7 +10,7 @@ fn test_cmd() -> snapbox::cmd::Command {
 fn main() {
     use libtest2_mimic::Trial;
     libtest2_mimic::Harness::with_env()
-        .cases(vec![
+        .discover([
             Trial::test("passes", |_| Ok(())),
             Trial::test("panics", |_| panic!("uh oh")),
         ])
diff --git a/crates/libtest2/examples/tidy.rs b/crates/libtest2/examples/tidy.rs
index 9aecc30..57423df 100644
--- a/crates/libtest2/examples/tidy.rs
+++ b/crates/libtest2/examples/tidy.rs
@@ -5,7 +5,7 @@ use libtest2::Trial;
 fn main() -> std::io::Result<()> {
     let tests = collect_tests()?;
     let mut harness = libtest2::Harness::with_env();
-    harness.cases(tests);
+    harness.discover(tests);
     harness.main()
 }
 
diff --git a/crates/libtest2/src/lib.rs b/crates/libtest2/src/lib.rs
index 3ac52ba..8bab2c4 100644
--- a/crates/libtest2/src/lib.rs
+++ b/crates/libtest2/src/lib.rs
@@ -76,8 +76,10 @@ macro_rules! libtest2_main {
     ( $( $test:path ),* $(,)*) => {
         fn main() {
             let mut harness = ::libtest2::Harness::with_env();
-                $(harness.case(::libtest2::Trial::test(::std::stringify!($test), $test));)*
-                harness.main();
+            harness.discover([
+                $(::libtest2::Trial::test(::std::stringify!($test), $test)),*
+            ]);
+            harness.main();
         }
     }
 }