These cards all offer protection from two colors and give some beneficial effect to their controller when the equipped creature does combat damage
In Second Place we had Reanimator
Arcades, the Strategist does, in fact, have a tail
The chances of that are extremely low, however, and the card also has a number of other drawbacks that restrict its potential

Mishra's Burnished Banner View on Archidekt Commander (1) 1 Mishra, Eminent OneMishra, Eminent One Artifacts (30) 1 Arcane SignetArcane Signet 1 Commander's SphereCommander's Sphere 1 Cursed MirrorCursed Mirror 1 Dimir SignetDimir Signet 1 Dreamstone HedronDreamstone Hedron 1 Executioner's CapsuleExecutioner's Capsule 1 Fellwar StoneFellwar Stone 1 Hedron ArchiveHedron Archive 1 Ichor WellspringIchor Wellspring 1 Idol of OblivionIdol of Oblivion 1 Lithoform EngineLithoform Engine 1 Machine God's EffigyMachine God's Effigy 1 Mind StoneMind Stone 1 MirrorworksMirrorworks 1 Mnemonic SphereMnemonic Sphere 1 Mycosynth WellspringMycosynth Wellspring 1 Nihil SpellbombNihil Spellbomb 1 Oblivion StoneOblivion Stone 1 Oni-Cult AnvilOni-Cult Anvil 1 Prophetic PrismProphetic Prism 1 Rakdos SignetRakdos Signet 1 Servo SchematicServo Schematic 1 Smelting VatSmelting Vat 1 Sol RingSol Ring 1 Spine of Ish SahSpine of Ish Sah 1 Strionic ResonatorStrionic Resonator 1 Thran DynamoThran Dynamo 1 Trading PostTrading Post 1 Wayfarer's BaubleWayfarer's Bauble 1 Wondrous CrucibleWondrous Crucible Creatures (21) 1 Ashnod the UncaringAshnod the Uncaring 1 Audacious ReshapersAudacious Reshapers 1 Blast-Furnace HellkiteBlast-Furnace Hellkite 1 Brudiclad, Telchor EngineerBrudiclad, Telchor Engineer 1 Emry, Lurker of the LochEmry, Lurker of the Loch 1 Fain, the BrokerFain, the Broker 1 Farid, Enterprising SalvagerFarid, Enterprising Salvager 1 Geth, Lord of the VaultGeth, Lord of the Vault 1 Glint RakerGlint Raker 1 Hellkite IgniterHellkite Igniter 1 Herald of AnguishHerald of Anguish 1 Jhoira, Weatherlight CaptainJhoira, Weatherlight Captain 1 Master TransmuterMaster Transmuter 1 Metalwork ColossusMetalwork Colossus 1 Muzzio, Visionary ArchitectMuzzio, Visionary Architect 1 Padeem, Consul of InnovationPadeem, Consul of Innovation 1 Scavenged BrawlerScavenged Brawler 1 Silas Renn, Seeker AdeptSilas Renn, Seeker Adept 1 Slobad, Goblin TinkererSlobad, Goblin Tinkerer 1 Traxos, Scourge of KroogTraxos, Scourge of Kroog 1 Workshop EldersWorkshop Elders Sorceries (6) 1 Blasphemous ActBlasphemous Act 1 Expressive IterationExpressive Iteration 1 Faithless LootingFaithless Looting 1 Feed the SwarmFeed the Swarm 1 Terisiare's DevastationTerisiare's Devastation 1 ThoughtcastThoughtcast Lands (37) 1 Ash BarrensAsh Barrens 1 Buried RuinBuried Ruin 1 Command TowerCommand Tower 1 Crumbling NecropolisCrumbling Necropolis 1 Darkwater CatacombsDarkwater Catacombs 1 Dimir AqueductDimir Aqueduct 1 Drossforge BridgeDrossforge Bridge 1 Exotic OrchardExotic Orchard 1 Great FurnaceGreat Furnace 5 IslandIsland 1 Izzet BoilerworksIzzet Boilerworks 1 Mistvault BridgeMistvault Bridge 4 MountainMountain 1 Myriad LandscapeMyriad Landscape 1 Path of AncestryPath of Ancestry 1 Rakdos CarnariumRakdos Carnarium 1 Reliquary TowerReliquary Tower 1 Seat of the SynodSeat of the Synod 1 Shadowblood RidgeShadowblood Ridge 1 Silverbluff BridgeSilverbluff Bridge 1 Smoldering MarshSmoldering Marsh 4 SwampSwamp 1 Temple of DeceitTemple of Deceit 1 Temple of EpiphanyTemple of Epiphany 1 Temple of MaliceTemple of Malice 1 Terramorphic ExpanseTerramorphic Expanse 1 Vault of WhispersVault of Whispers Instants (5) 1 AbradeAbrade 1 BedevilBedevil 1 Chaos WarpChaos Warp 1 Fact or FictionFact or Fiction 1 Thirst for KnowledgeThirst for Knowledge The Battle Plan The main strategy of this deck is tough to pin down
