VII restricts your choices to create flavor, as these are the five main creature species from Fallen Empires

Abigale, Eloquent First-Year Amphibian Downpour Azure Beastbinder Barrow-Blade Chromium, the Mutable Curious Colossus Dance of the Skywise Day of Black Sun Dragonshift Duskmourn's Domination Eaten by Piranhas Flood the Engine Fowl Play Fresh Start Frogify Frozen in Ice Gift of Tusks Heliod's Punishment Hellcat, Undying Vigilante Honest Work Humble Humility Hunted by The Family Ichthyomorphosis Immovable Rod Kasmina's Transmutation Kenrith's Transformation King of the Coldblood Curse Lignify Lizard, Connors's Curse Mercurial Transformation Merfolk Trickster Monument to Perfection Muraganda Eldrazi (playtest) Mystic Subdual Noggle the Mind Nullhide Ferox Obscura Confluence Observed Stasis Oko, Thief of Crowns Opportunistic Dragon Orb of Origin (playtest) Ovinize Patriar's Humiliation Polymorphist's Jest Primordial Plasm Quantum Reduction Ray of Frost Reprobation Retched Wretch Retro-Mutation Snakeform Soul Sculptor Spark Rupture Stop Cold Tamiyo's Compleation The Curse of Fenric The Wondrous Wasp Tishana's Tidebinder Titania's Song Town-Razer Tyrant Trickster's Elk Turn // Burn Turn // Burn Turn to Frog Unable to Scream Utter Insignificance Very Cryptic Command Warkite Marauder Witness Protection

Greener Pastures However, the opportunity cost of acquiring this one card is extreme
It also self-combos as you know, because it'll sacrifice a Forest or Plains for any land
Once in play, her presence turns every other ninja into a card-drawing, damage-dealing machine
This is closer to print, with just a few tiny tweaks