Emmara can protect tokens from damage, but having ways to ensure they find you victory is appealing in its own right
If your opponent has four copies of Hare Apparent on the battlefield and 30 more in their library, Memoricide can only remove the copies in their library
: Level 3 You may look at the top card of your library any time
It's also not the only saga-related card spiking off the back of Final Fantasy

Advanced Search Sets Random Syntax Amber Prison Aphetto Alchemist Ashnod's Battle Gear Berg Strider Blasting Station Bloody Betrayal Cat-Owl Catch // Release Catch // Release Clock of Omens Corridor Monitor Dee Kay, Finder of the Lost Deserter's Quarters Dross Scorpion Elaborate Firecannon Elder Druid Endoskeleton Entrancing Lyre Error-9, Viral Node Fain, the Broker Filigree Sages Flowstone Armor Frightshroud Courier Furnace Reins Galvanic Key Gauntlets of Chaos Goblin Archaeologist Grinding Station Guac & Marshmallow Pizza Haunted Hellride Helm of Possession Hijack Hyperion Blacksmith Iceberg Titan Immovable Rod Infernal Captor Infuse Invoke the Winds Involuntary Employment Janjeet Sentry Jet's Brainwashing Jolt Juxtapose Kefnet's Last Word Living Brain, Mechanical Marvel Lumengrid Augur Magus of the Unseen Manifold Key Metallic Mastery Mind Over Matter Mirran Spy Mobile Garrison Momo's Heist Nature's Chosen Origin of Iron Man Panther Pounce Phyrexian Gremlins Press for Answers Reality Ripple Rod of Spanking Rust Tick Salvaging Station Sewer-veillance Cam Sibling Rivalry Sleeper Dart Sonic Screwdriver Sonic Screwdriver Spirit Shield Staff of Compleation Staff of Domination Steal Artifact Systems Override

While it was just a Sorcery, it could be combined with lots of other cards for some deadly results