PSA 10 iterations of the card look to be fairly rare, and most current listings are for PSA 9 cards
Here are a few good examples of some cheaper creatures already in Red, that I have run with Pygmy Giant

Abaddon the Despoiler Abyssal Persecutor Acererak the Archlich Aclazotz, Deepest Betrayal Ad Nauseam Admiral Beckett Brass Admiral Brass, Unsinkable Agadeem's Awakening Alela, Artful Provocateur Alela, Cunning Conqueror All-Out Assault Alpharael, Stonechosen Altar Ibn-La'Ahad Aminatou, Veil Piercer Aminatou, the Fateshifter Anafenza, the Foremost Ancient Brass Dragon Angel of Suffering Angrath, Minotaur Pirate Angrath, the Flame-Chained Anguished Unmaking Anhelo, the Painter Anikthea, Hand of Erebos Anje Falkenrath Anowon, the Ruin Thief Aphelia, Viper Whisperer Archfiend of Despair Archon of Cruelty Arguel's Blood Fast Army of the Damned Arna Kennerd, Skycaptain Arvinox, the Mind Flail Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm Ashen Rider Ashiok, Nightmare Muse Ashiok, Nightmare Weaver Ashiok, Sculptor of Fears Ashiok, Wicked Manipulator Ashnod the Uncaring Athreos, God of Passage Athreos, Shroud-Veiled Atraxa, Grand Unifier Atraxa, Grand Unifier Atraxa, Praetors' Voice Auntie Ool, Cursewretch Avatar of Woe Awaken the Blood Avatar Azula, Ruthless Firebender Baron Von Count Be'lakor, the Dark Master Begin the Invasion Behold the Beyond Behold the Sinister Six

While some non-budget upgrades certainly are available (especially if we splash into a second color), the budget build felt great as is
Red Elemental Blasts instead of two of the Counterspells speaks to the power imbalance that existed in the early days between colors
Table of Contents show Set Pitch Omega, Heartless Evolution | Illustration by Josu Solano Final Fantasy is a high synergy set with well-balanced archetypes