Alternatives to An Unearthly Child

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An Unearthly Child {1}

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II, III — Reveal cards from the top of your library until you reveal a Doctor card, a card with doctor's companion, or a Vehicle card. Put that card into your hand and the rest on the bottom of your library in a random order.

Here are 5 cards you can replace An Unearthly Child with in your deck.