Spymaster's Vault: A Shadowed Black Mana Hub
Spymaster's Vault from Modern Horizons 3 is a versatile land that supports a shadowed strategy by turning losses into advantage. It enters the battlefield tapped unless you control a Swamp, helping stabilize a black heavy mana base. Tapping to add {B} provides a reliable mana source early and into the midgame. Its real value lies in the activated ability: pay {B} and tap to target a creature you control that connives X, where X is the number of creatures that died this turn. You draw X cards, discard X cards, and for each nonland card discarded this way, put a +1/+1 counter on that creature. That setup scales with the game's pace, turning casualties into board presence.
Used in a control or midrange shell, Spymaster's Vault rewards careful timing and hand management. The connive ability lets you refill your grip while growing your chosen threat, creating a persistent advantage as the matchup unfolds. In the broader Modern Horizons 3 landscape, this land embodies the set's love for manipulation and synergy, offering reliable acceleration with a tamed risk if you keep a Swamp on the battlefield.
Card Details:
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Mana Cost:
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Card Type: Land
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Subtypes: None
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Card Text / Rules Text (Printed): Spymaster’s Vault enters the battlefield tapped unless you control a Swamp. {T}: Add {B}. {B}, {T}: Target creature you control connives X, where X is the number of creatures that died this turn. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)