artifact fetch cards mtg What are good for a blue black Magic deck? Search your library for an artifact card with converted mana cost X or less and put it onto the battlefield Tinker | Mystery Booster 2

The second nod in favor of playing 15 or less lands is the aforementioned BO1 algorithm which I touched on briefly in the 16-land decks bit

What makes the myr ball so good is that it provides significant board advantage even if its killed immediately, can be played fairly, and can be cheated out early off colorless mana acceleration or [card]Tinker[/card]

Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.) Creature - Druid Insect Mm'menon, the Right Hand Flying You may look at the top card of your library any time

Uncommon, rare will happen 4.3% of the time

Next up are two lands that its hard not to justify in any deck wanting to go fast

Dwarven Lieutenant