Future Sight (2007) Future Sight was playing around with possible futures for Magic
If an effect allows you to cast instant spells from your graveyard, you could cast Valakut Awakening, but you couldn't play Valakut Stoneforge
Companion originally worked by letting you reveal the companion card from your sideboard at the start of the game, as long as your deck met the conditions of the companion card
There are a couple of decent questers with high Willpower and high lore value in this deck, like Robin Hood, Daydreamer and Starkey, Devious Pirate, but more often than not you'll get more value out of steadily questing with an unanswered Don Karnage than you will with an intimidating late game bomb
But what you have paid to get there is the equivalent of a 6 drop 4/3 with a clause that says 'the turn after you cast this creature you may destroy target creature.' Link to DFCs Part 2 of 2
Now, the vast majority of Doctor Who MTG cards are worth under $5