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Cloud Keyramp$2.83Reduces the cost of a chosen card type, including creatures, and can often function as a build-around cost reducer in the same vein as Heartless Summoning. It lacks the creature debuff but serves a similar mana-cheating role.Semblance Anvilramp$6.55Imprints a card to reduce the cost of spells sharing a type, often enabling creature-heavy decks to cast threats more cheaply. It is a more conditional but potentially stronger cost-reduction engine.Herald of Kozilekramp$0.41Reduces the generic cost of colorless spells and can accelerate creature-like artifact threats in decks built around them. It is a creature itself and provides a similar mana-discount utility.Training Groundsutility$6.83Reduces activated ability costs for creatures, making it a different but similarly build-around black-style cost reducer for creature-centric decks. It doesn't affect casting, but it plays a comparable synergy role.Bontu's Monumentramp$3.70Makes your black creature spells cheaper to deploy in a broad sense by effectively refunding mana when you cast them. It also rewards creature spam, though it is less direct than Heartless Summoning.Urza's Incubatorramp$17.46Reduces the cost of creature spells of a chosen creature type by two, often creating explosive mana discounts for tribal decks. It is one of the closest functional equivalents for creature-cost reduction.Hazoret's Monumentramp$3.20Discounts red creature spells and provides extra value when casting creatures, serving as a tribal cost reducer with an added card selection benefit. It is color-restricted but fulfills a similar role in creature-heavy decks.Oketra's Monumentramp$4.79Reduces white creature spell costs and creates tokens, giving a similar cast-cheap-creatures engine with upside. It is white-focused rather than black, but the gameplay pattern is close.
