 
Enchantment — Saga
I — Search your library for a Doctor card, reveal it, put it into your hand, then shuffle. 
 II — Create a Food token and a 1/1 white Human creature token with "Doctor spells you cast cost  less to cast." 
 III — Create a token that's a copy of target creature, except it's a legendary Alien named Prisoner Zero.
| Set | USD | |
|  | Doctor Who (who 41) | $0.11 | 
|  | Doctor Who (who 646) | $1.02 |