Eiganjo Exemplar might be the most important card for starting down the aggro path
712.5f Argoth, Sanctum of Nature and Titania, Voice of Gaea meld to form Titania, Gaea Incarnate

Voltron Geist of Saint Traft | Illustration by Igor Kieryluk Commander (1) Creature (24) Selfless Spirit Stenn, Paranoid Partisan Stoneforge Mystic Lion Sash Stone Haven Outfitter Puresteel Paladin Leonin Shikari Relic Seeker The Reality Chip Sram, Senior Edificer Tameshi, Reality Architect Etched Champion Cloudsteel Kirin Ardenn, Intrepid Archeologist Trophy Mage Armored Skyhunter Balan, Wandering Knight Halvar, God of Battle Padeem, Consul of Innovation Danitha, Benalia's Hope Stonehewer Giant Ayesha Tanaka, Armorer Sun Titan Heavenly Blademaster Instant (7) Enlightened Tutor Slip Out the Back Swords to Plowshares Stubborn Denial Counterspell Change of Plans Teferi's Protection Sorcery (4) Steelshaper's Gift Open the Armory Slash the Ranks Single Combat Enchantment (1) Artifact (25) Sol Ring Shadowspear Masterwork of Ingenuity Commander's Plate Lightning Greaves Conqueror's Flail Arcane Signet Robe of Stars Blackblade Reforged Mask of Memory Azorius Signet Swiftfoot Boots Sword of the Animist Umezawa's Jitte Sword of Body and Mind Sword of Light and Shadow Sword of Feast and Famine Sword of Fire and Ice Maul of the Skyclaves Sword of Vengeance Andril, Flame of the West Hammer of Nazahn Hexgold Hoverwings Batterskull Argentum Armor Land (38) Command Tower Myriad Landscape Mistveil Plains Rogue's Passage Temple of the False God Inventors' Fair Celestial Colonnade Prairie Stream Azorius Chancery Sea of Clouds Irrigated Farmland Adarkar Wastes Mistgate Pathway Temple of Enlightenment Port Town Glacial Fortress Hallowed Fountain Deserted Beach Island x8 Plains x12 A Voltron strategy focuses all its attention on building up one unstoppable threat and having that be your main wincon

Its also worth noting that its attack trigger can be doubled with some cards like Isshin, Two Heavens as One
You get an island
(6/18/2021) Asmoranomardicadaistinaculdacar has no mana cost and its mana value is 0