Best Mono-Black budget alternatives to Beseech the Mirror

Beseech the Mirror
$18.39 MarketCard Breakdown: Beseech the Mirror (Sorcery) is a high-demand MTG card. At $18.39, budget-conscious players can leverage vector embedding similarity to achieve similar game actions for under $5.00.
Top Vector-Ranked Budget Swaps
Profane Tutor
(Sorcery)
Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.
Matches Beseech the Mirror's Sorcery card type and costs 4 less mana to cast (0 MV vs 4 MV). Overlaps on functional mechanics including #cast-on-resolution, #tutor-card, #tutor-to-hand.
Demonic Collusion
(Sorcery)
Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Search your library for a card, put that card into your hand, then shuffle.
Matches Beseech the Mirror's Sorcery card type and costs 1 more mana to cast (5 MV). Overlaps on functional mechanics including #tutor-card, #tutor-to-hand.
Petty Larceny
(Sorcery)
Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Look at the top two cards of target opponent's library and exile those cards face down. You may play those cards for as long as they remain exiled, and mana of any type can be spent to cast them. Create a Treasure token.
Matches Beseech the Mirror's Sorcery card type and shares the exact same mana value (4 MV). Fills a similar strategic role in Commander and deck construction.
Dimir Machinations
(Sorcery)
Look at the top three cards of target player's library. Exile any number of those cards, then put the rest back in any order. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Matches Beseech the Mirror's Sorcery card type and costs 1 less mana to cast (3 MV vs 4 MV). Overlaps on functional mechanics including #tutor-card, #tutor-to-hand.
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