Depending on the tactic, the Pokmon card can eliminate two opponent Pokmon cards in a single blow , and its Rock Tumble attack is great for closing matches
That's simple enough provided your opponents obligingly block your vampires
Serene Steward: this is a great bear

Hans, Run!" A Girl and Her Dogs (playtest) A Good Thing (playtest) Aang, Airbending Master Aang, Master of Elements Aang, at the Crossroads Aberrant Researcher Abhorrent Oculus Abhorrent Overlord Aboroth Abzan Beastmaster Acridian Act of Authority Aegis Sculptor Aether Vial Aethersquall Ancient Afflicted Deserter Afiya Grove Agent of Masks Ajani's Mantra Akroan Horse Aku Djinn Akuta, Born of Ash Albino Troll Aleatory Alexios, Deimos of Kosmos All Hallow's Eve Aminatou, Veil Piercer Amplifire Amy's Home Ana Sanctuary Ancestral Knowledge Ancestral Vision Ancient Hydra Ancient Runes Angel of Flight Alabaster Anowon, the Ruin Sage Antarctic Research Base Anurid Scavenger Apathy Aplan Mortarium Apocalypse Demon Arc Blade Arcades Sabboth Arcane Denial Arcbound Fiend Arcbound Overseer Arcbound Overseer Avatar Archangel Avacyn Archdemon of Greed Archdemon of Unx Archery Training Archfiend of the Dross Arctic Nishoba Arctic Wolves Aretopolis Argentum Masticore Arguel's Blood Fast Armageddon Clock Arms Scavenger Arnjlot's Ascent Artful Maneuver Artificer's Hex As Foretold Ascendant Acolyte Assault Suit Assemble the Legion Astrolabe Asylum Visitor Atraxi Warden Aura Flux Avalanche Riders

Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Predatory Advantage: Predatory Advantages ability has an intervening if clause. That means (1) the ability wont trigger at all unless the opponent whose turn it is didnt cast a creature spell that turn, and (2) the ability will do nothing unless the opponent whose turn it is still hasnt cast a creature spell by the time it resolves
This is the best Mardu creature because its cheap and effective, and it fits the Mardu spirit perfectly