Orochimaru, Serpent Mage

Ninjutsu {2}{u} ({2}{u}, Return an unblocked
attacker you control to hand: Put this card onto the
battlefield from your hand tapped and attacking.)
Whenever Orochimaru deals combat damage
to a player, create a token that's a copy
of Mist-Syndicate Naga.
"In smoke and mirrors our numbers grow greater"
-Mist Syndicate Naga