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Relic of Legendsramp$2.28It turns your legendary permanents into mana sources and can effectively fix or generate extra mana without tapping the artifact itself. It fills a similar legendary-synergy mana utility role.Springleaf Drumramp$0.34Like Honor-Worn Shaku, it lets you convert tapping a creature into mana acceleration. It is a cheaper, more broadly playable mana rock in artifact-heavy or creature-heavy decks.Paradise Mantleramp$11.20It similarly lets you tap a creature for mana and can be abused with untap synergies. While it is not a mana rock in the same way, it serves a comparable mana-enabling function.Unwinding Clockutility$21.01This card supports the same tap/untap artifact gameplay by repeatedly untapping your artifacts each turn cycle. It is often used to reuse mana rocks and tap abilities like Shaku.Voltaic Keyutility$4.74It directly untaps artifacts and can turn a mana rock into extra mana, which is the core kind of interaction Honor-Worn Shaku encourages. It is a classic combo piece with similar artifact-untap utility.Manifold Keyutility$1.46It untaps artifacts and can also serve as a combo enabler for mana-positive artifact lines. It overlaps with Shaku in the role of reusable artifact untap support.Magewright's Stoneutility$9.08It provides repeatable untap utility for creatures, letting you reuse legends that can tap for mana or value. It fits the same tap/untap engine style as Honor-Worn Shaku.Ichor Wellspringutility$0.97In artifact decks, this is a common low-cost utility artifact that pairs with untap or sacrifice synergies. It does not mimic Shaku directly, but it often appears in the same artifact-engine shells.
