TMT-60 The Cloning of Shredder

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I - Exile target creature card from your graveyard. Create a token that's a copy of it, except it isn't legendary and is a Mutant in addition to its other types.
II, III - Create a token that's a copy of a card exiled with this Saga, except it isn't legendary and is a Mutant in addition to its other types.