diff --git a/src/script/script_flags.h b/src/script/script_flags.h
--- a/src/script/script_flags.h
+++ b/src/script/script_flags.h
@@ -98,6 +98,9 @@
     // Is OP_CHECKDATASIG and variant are enabled.
     //
     SCRIPT_ENABLE_CHECKDATASIG = (1U << 18),
+
+    // Are the Magnetic opcodes re-enabled?
+    SCRIPT_ENABLE_MAGNETIC_OPCODES = (1U << 19),
 };
 
 #endif // BITCOIN_SCRIPT_SCRIPTFLAGS_H
diff --git a/src/test/data/script_tests.json b/src/test/data/script_tests.json
--- a/src/test/data/script_tests.json
+++ b/src/test/data/script_tests.json
@@ -929,11 +929,17 @@
 
 ["Disabled opcodes"],
 ["'abc'", "IF INVERT ELSE 1 ENDIF", "P2SH,STRICTENC", "DISABLED_OPCODE", "INVERT disabled"],
+["'abc'", "IF INVERT ELSE 1 ENDIF", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "INVERT disabled"],
 ["2 0 IF 2MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "2MUL disabled"],
+["2 0 IF 2MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "2MUL disabled"],
 ["2 0 IF 2DIV ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "2DIV disabled"],
+["2 0 IF 2DIV ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "2DIV disabled"],
 ["2 2 0 IF MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "MUL disabled"],
+["2 2 0 IF MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "MUL disabled"],
 ["2 2 0 IF LSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "LSHIFT disabled"],
+["2 2 0 IF LSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "LSHIFT disabled"],
 ["2 2 0 IF RSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "RSHIFT disabled"],
+["2 2 0 IF RSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "RSHIFT disabled"],
 
 ["Bitwise opcodes"],
 ["AND"],
@@ -1042,10 +1048,15 @@
 ["'abcdef' NOT", "0 EQUAL", "P2SH,STRICTENC", "UNKNOWN_ERROR", "NOT is an arithmetic operand"],
 
 ["2 DUP MUL", "4 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
+["2 DUP MUL", "4 EQUAL", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 2MUL", "4 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
+["2 2MUL", "4 EQUAL", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 2DIV", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
+["2 2DIV", "1 EQUAL", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 2 LSHIFT", "8 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
+["2 2 LSHIFT", "8 EQUAL", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 1 RSHIFT", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
+["2 1 RSHIFT", "1 EQUAL", "P2SH,STRICTENC,MAGNETIC_OPCODES", "DISABLED_OPCODE", "disabled"],
 
 ["1", "NOP1 CHECKLOCKTIMEVERIFY CHECKSEQUENCEVERIFY NOP4 NOP5 NOP6 NOP7 NOP8 NOP9 NOP10 2 EQUAL", "P2SH,STRICTENC", "EVAL_FALSE"],
 ["'NOP_1_to_10' NOP1 CHECKLOCKTIMEVERIFY CHECKSEQUENCEVERIFY NOP4 NOP5 NOP6 NOP7 NOP8 NOP9 NOP10","'NOP_1_to_11' EQUAL", "P2SH,STRICTENC", "EVAL_FALSE"],
diff --git a/src/test/scriptflags.cpp b/src/test/scriptflags.cpp
--- a/src/test/scriptflags.cpp
+++ b/src/test/scriptflags.cpp
@@ -32,6 +32,7 @@
     {"SIGHASH_FORKID", SCRIPT_ENABLE_SIGHASH_FORKID},
     {"REPLAY_PROTECTION", SCRIPT_ENABLE_REPLAY_PROTECTION},
     {"CHECKDATASIG", SCRIPT_ENABLE_CHECKDATASIG},
+    {"MAGNETIC_OPCODES", SCRIPT_ENABLE_MAGNETIC_OPCODES},
 };
 
 uint32_t ParseScriptFlags(std::string strFlags) {