mtg odds of drawing a card Hypergeometric Calculator — Draw Double-faced card - MTG Wiki

For example, Tarmogoyf (MMA) has the tarmogoyf itself and an elk in the art, and you need only consider the tarmogoyf

Brand: Magic The Gathering Series: Scars of Mirrodin Item Type: Intro Pack Release Date: October 2010 Company: Wizards of the Coast UPC: 643690298373 Stock #: 216977 Our Guarantees to You, Our Valued Customer

Abilities that apply "when [this creature] is turned face up" will trigger an additional time only if that creature's power is 2 or less once it has been turned face up

Cut Your Losses is a splashy mill card that plays best with other mill cards, where your goal is to cast/copy it and then finish your opponent off with Fractured Sanity, Glimpse the Unthinkable, etc

Mana-generating permanents that allow for the ramp you need to power out a bunch of 7-drops in Standard while also not breaking Commander in half are great