As a three-mana 3/3 with menace, the Ferocidon already has great attacking stats
Playing against other healers add Tainted Remedy Combos Chaplain's Blessing + Sunbond Exquisite Blood + Sanguine Bond Riot Control + Sanguine Bond Necropolis Regent + Sunbond + Vampire Nighthawk
+1/+1 counters is an archetype as old as Magic itself, so its incredibly supported

View on Archidekt Commander (1) 1 Morophon, the BoundlessMorophon, the Boundless Creatures (20) 1 Creeping TrailblazerCreeping Trailblazer 1 Elesh Norn, Grand CenobiteElesh Norn, Grand Cenobite 1 Embodiment of FuryEmbodiment of Fury 1 Embodiment of InsightEmbodiment of Insight 1 Ingot ChewerIngot Chewer 1 Jolrael, Empress of BeastsJolrael, Empress of Beasts 1 Liege of the TangleLiege of the Tangle 1 Living TwisterLiving Twister 1 Massacre WurmMassacre Wurm 1 Omnath, Locus of RageOmnath, Locus of Rage 1 Omnath, Locus of the RoilOmnath, Locus of the Roil 1 Risen ReefRisen Reef 1 Roil ElementalRoil Elemental 1 ShriekmawShriekmaw 1 Soul of the HarvestSoul of the Harvest 1 Sylvan AdvocateSylvan Advocate 1 Titania, Protector of ArgothTitania, Protector of Argoth 1 WispmareWispmare 1 World ShaperWorld Shaper 1 Yarok, the DesecratedYarok, the Desecrated Instants (3) 1 Anguished UnmakingAnguished Unmaking 1 Heroic InterventionHeroic Intervention 1 Krosan GripKrosan Grip Sorceries (14) 1 AnimistAnimist 1 FarseekFarseek 1 Genesis WaveGenesis Wave 1 Hunting WildsHunting Wilds 1 Idyllic TutorIdyllic Tutor 1 NatureNature 1 Planar OutburstPlanar Outburst 1 Roil SpoutRoil Spout 1 Rude AwakeningRude Awakening 1 Ruinous PathRuinous Path 1 Skyshroud ClaimSkyshroud Claim 1 Sylvan AwakeningSylvan Awakening 1 Tempt with DiscoveryTempt with Discovery 1 Three VisitsThree Visits Artifacts (1) 1 Chromatic LanternChromatic Lantern Enchantments (14) 1 Bear UmbraBear Umbra 1 DruidsDruids 1 Earth SurgeEarth Surge 1 Life and LimbLife and Limb 1 Living PlaneLiving Plane 1 Natural EmergenceNatural Emergence 1 NatureNature 1 Prismatic OmenPrismatic Omen 1 Radiant DestinyRadiant Destiny 1 Sacred GroundSacred Ground 1 Sterling GroveSterling Grove 1 Terra EternalTerra Eternal 1 The Mending of DominariaThe Mending of Dominaria 1 ZendikarZendikar Planeswalkers (5) 1 Nissa, Steward of ElementsNissa, Steward of Elements 1 Nissa, Vital ForceNissa, Vital Force 1 Nissa, Voice of ZendikarNissa, Voice of Zendikar 1 Nissa, Who Shakes the WorldNissa, Who Shakes the World 1 Nissa, WorldwakerNissa, Worldwaker Lands (43) 1 Bloodstained MireBloodstained Mire 1 Breeding PoolBreeding Pool 1 Canopy VistaCanopy Vista 1 Celestial ColonnadeCelestial Colonnade 1 Cinder GladeCinder Glade 1 City of BrassCity of Brass 1 Command TowerCommand Tower 1 Creeping Tar PitCreeping Tar Pit 1 Faerie ConclaveFaerie Conclave 1 Flooded StrandFlooded Strand 3 ForestForest 1 Hallowed FountainHallowed Fountain 1 Hissing QuagmireHissing Quagmire 1 IslandIsland 1 Krosan VergeKrosan Verge 1 Lavaclaw ReachesLavaclaw Reaches 1 Lumbering FallsLumbering Falls 1 Mana ConfluenceMana Confluence 1 Misty RainforestMisty Rainforest 1 MutavaultMutavault 1 Needle SpiresNeedle Spires 1 Overgrown TombOvergrown Tomb 1 Path of AncestryPath of Ancestry 1 Polluted DeltaPolluted Delta 1 Raging RavineRaging Ravine 1 Scalding TarnScalding Tarn 1 Shambling VentShambling Vent 1 Steam VentsSteam Vents 1 Stirring WildwoodStirring Wildwood 1 Stomping GroundStomping Ground 1 Temple GardenTemple Garden 1 Treetop VillageTreetop Village 1 Undiscovered ParadiseUndiscovered Paradise 1 Verdant CatacombsVerdant Catacombs 1 Wandering FumaroleWandering Fumarole 1 Windswept HeathWindswept Heath 1 Wooded FoothillsWooded Foothills 3 ForestForest 1 IslandIsland Yes, yes we can

Sliver decks have never had the best card draw within their creature base, opting instead for running the best of whats available in the five colors
Do they have an answer hole to exploit