3 Blightwing Bandit Bloodthirsty Conqueror Bone Picker Bonepicker Skirge Cairn Wanderer Crystalline Giant Death-Hood Cobra Deathgaze Cockatrice Dragonlord Silumgar Dreaded Bat-Cloud Dreadwing Scavenger Feral Deathgorger Fleetfeather Cockatrice Fumulus, the Infestation Green Goblin, Revenant Grendel, Spawn of Knull Hornet Queen Indominus Rex, Alpha Kathril, Aspect Warper Kessig Recluse Kura, the Boundless Sky Malakir Familiar Neriv, Crackling Vanguard Nightveil Predator Nu and Sumi, Career Criminals Odric, Blood-Cursed Odric, Lunarch Marshal Old-Fashioned Vampire Poison-Tip Archer Qarsi Revenant Rayami, First of the Fallen Rodolf Duskbringer Scriv, the Obligator Searchlight Geist Seraph of the Scales Soulflayer Tegwyll, Duke of Splendor Teysa, Opulent Oligarch The Swarmweaver Thornweald Archer Thunderous Orator Tidehollow Strix Topaz Dragon Urborg Scavengers Vampire Nighthawk Vengeful Reaper Venomthrope Verrak, Warped Sengir Wispdrinker Vampire Witherbloom, the Balancer Zagras, Thief of Heartbeats

The precons have always been quite good decks
Mana Flood Drawing far too many lands and nothing else
If youre going to use it yourself, it can fit into a lot of decks so as long as you can attack, draw cards or gain counters