Youve just gotta fight your way through
Goblin Trenches requires quite the investment of mana and lands but you only need to activate it a couple of times before youve overwhelmed your opponent, especially if you throw in some goblin synergies or cards like Hellrider

Commander: Araumi of the Dead Tide Creatures: Archetype of Imagination, Baleful Strix, Bazaar Trademage, Body Double, Corpse Connoisseur, Farfinder, Filth, Gravebreaker Lamia, Hunted Horror, Hunted Phantasm, Inverter of Truth, Massacre Girl, Myr Retriever, Nyxathid, Pack Rat, Phyrexian Dreadnought, Phyrexian Metamorph, Phyrexian Soulgorger, Pilgrims Eye, Rishadan Brigand, Rotting Regisaur, Tribute Mage, Wonder Artifacts: Altar of Dementia, Ashnods Altar, Bident of Thassa, Charcoal Diamond, Embalmers Tools, Fellwar Stone, Mind Stone, Sky Diamond, Surveyors Scope, Talisman of Dominance, Torpor Orb, Whip of Erebos Enchantments: Coastal Piracy, Death Match, Freed from the Real, Levitation, Reconnaissance Mission, Teferis Veil Instants: Ancient Excavation, Blink of an Eye, Chain of Vapor, Entomb, Into the Roil, Muddle the Mixture, Polymorphous Rush, Reality Ripple, Silence the Believers, Tales End, Trickbind, Whir of Invention Sorceries: Careful Study, Decree of Pain, Exhume, Fabricate, Final Parting, Footsteps of the Goryo, Reanimate, Sakashimas Will, Windfall Lands: 13 Island, 11 Swamp, Barren Moor, Command Tower, Dimir Guildgate, Dismal Backwater, Drowned Catacomb, Geier Reach Sanitarium, Jwar Isle Refuge, Lonely Sandbar, Polluted Mire, Remote Isle, Submerged Boneyard, Sunken Hollow, Temple of Deceit Giving a Dreadnought an Encore Properly contextualizing the cult status of cards like Phyrexian Dreadnought for players who came to the game far more recently can be difficult

Infernal Grasp answers any targetable creature at the cost of two life and two mana
In its Bloodline Keeper form, this card can increase your board presence by tapping to add additional flying Vampires