Relentless Shinobi

When Relentless Shinobi deals combat damage
to a player, exile Relentless Shinobi until the
beginning of the next end step and untap all
creatures you control. After this phase, there is
an additional combat phase.
Ninjitsu {1}{r}{r}{b}({1}{r}{r}{b}, return an unblocked
attacker you control to hand: Put this card on the
battlefield from your hand tapped and attacking.)