This is always a risk, as it is especially important in the Draft format to be playing cards every turn
Mass Hysteria should be played with caution, as it can lead to your own untimely demise
Blacks Crystal offers some rather unique effects that could go in a variety of different decks, but unlike some of the other Crystals, this doesnt really create any exponential value
Ironwill Forger Karn, Legacy Reforged Kessig Forgemaster Koll, the Forgemaster Kuldotha Forgemaster Laelia, the Blade Reforged Manaforge Cinder Melek, Reforged Researcher Mystic Forge Nahiri, Forged in Fury Omen of the Forge Pulse of the Forge Purphoros, God of the Forge Purphoros, God of the Forge Rage Forger Reforge the Soul Runeforge Champion Secluded Starforge Starforged Sword Stoneforge Acolyte Stoneforge Masterwork Stoneforge Mystic Sunforger Sword of Forge and Frontier Territory Forge Thran Forge Titan Forge Unforge Urabrask's Forge Valakut Stoneforge Voidforged Titan Will-Forged Golem Wurmskin Forger
And d20 also has potential, incorporating RNG for high and low rolls