mtg cards like arcane adaptation ABUGames - Magic The Gathering and Table Top Game Store Are there cards similar to

(You may cast a card for its miracle cost when you draw it if it's the first card you drew this turn.)

This is, in part, because of the contents of the banlist

The Big, Bad Wolf shows up and eats one of the opponent's creatures, although, something smaller than himself (defined by having a smaller powernote that you could Giant Growth in response to the enters-the-battlefield effect to allow the Big, Bad Wolf to eat bigger creatures)

2 Aragorn, The Uniter Heir Of Isildur Returns Playing four colors opens up a wider range of options to you, and playing Aragorn, the Uniter, you are setting yourself up for an extremely rewarding scenario