Madara's Mangekyou Sharingan

Cast only if you control a card with Madara in its name.
Mangekyou Sharingan Right - {3}: This creature gets
+2/+2 until end of turn. You may only activate this abi-
lity during your declare blockers step.
Mangekyou Sharingan Left - {6}{t}: Return to the be-
ginning of your combat step. You may only activate this
ability during the end of your combat step. Anything
that happened after the beginning of your combat step
is treated as though it didn't.