For smaller instances, we can use cards like Artful Dodge, Slip Through Space , Ghostform , and Labyrinth of Skophos to give one or two extra creatures unblockable each turn
Kari Zev's Expertise might be the best of the lot, allowing me to cast a card with mana value 2 or less for free
Honorable Mentions Creatures that require a specific kind of deck to draw with but Id be remiss to leave unmentioned Top Enchantments that Draw in White In some ways, white is the enchantment color in Commander
While truly awful while behind, this is the perfect breaker of battlefield stalls that will not be scryed away often in venture decks
Magic: The Gathering's next Secret Lair collaboration, however, makes so much intuitive sense that it might as well have been fated since Wizards of the Coast inked its first crossover contract