Extra turn 1: Tutor Mirari's Wake and cast it
Binding the Old Gods Chevill, Bane of Monsters Elderfang Venom Garruk, Apex Predator Garruk, the Veil-Cursed Gift of the Deity Glissa Sunslayer Glissa, Herald of Predation Glissa, the Traitor Grist, the Plague Swarm Hapatra, Vizier of Poisons Infuse with Vitality Kagha, Shadow Archdruid Korozda Gorgon Leyline Prowler Necrogen Rotpriest Ochran Assassin Pharika, God of Affliction Pick Your Poison (playtest) Pitiless Gorgon Poison-Tip Archer Putrid Pals Rakish Scoundrel Reaper of the Wilds Shelob, Child of Ungoliant Sluiceway Scorpion Status // Statue Status // Statue The Gitrog Monster The Most Dangerous Gamer The Serpent Society The Swarmweaver Tyvar the Bellicose Undercity Uprising Vraska Joins Up Vraska, Swarm's Eminence Vraska, the Silencer Winter, Cynical Opportunist Witherbloom, the Balancer
, , Remove four oil counters from this artifact: Return target creature card from your graveyard to the battlefield
They can also be used in conjunction with cards like "Crucible of Worlds" or "Ramunap Excavator" to enable powerful land-based combos
Im not sure this is great, but I put it in the Top 5 because its restrictions will no doubt breed some creativity