Akuma Ji and Rimoko

Akuma Ji and Rimoko can't be blocked.

Commander Ninjutsu {1}{u/r}{u/r} (Return an unblocked
attacker you control to hand: Put this card onto the
battlefield from your hand or the command zone
tapped and attacking.)

When Akuma Ji and Rimoko enters, you may cast an
instant or sorcery card from your hand with mana cost X
or less without paying its mana cost. If its Ninjutsu cost
was paid, you may cast an instant or sorcery card from
your hand without paying its mana cost.