gollum mtg cards The Dead Marshes You choose a nonland card from it The Best Black Cards In

Casting prepared Brainstorm is better than actual Brainstorm, since you don't use up a card when you do it, and this can do it repeatedly

or gaining life

6 Nine-Lives Familiar A Feline Friend with Nine Chances There are three different versions of the Nine-Lives Familiar card within the Foundations set, but its adorable design and useful effects make this a necessary addition to any deck that focuses on creatures

1 Spore Frog

Yes, it costs a lot, and yes it requires you to have a good board state already so it's kind of a "Win-More" card, but it's an instant which means you can catch your opponents by surprise casting it right before the start of your turn to set up a lethal army