20 cards where the card types include “creature” and the card types include “leech” and (it’s restricted in Vintage or it’s legal in Vintage)

Abundant Maw (Eldritch Moon #1)
Alabaster Leech (Invasion #1)
Andradite Leech (Invasion #93)
Balemurk Leech (Duskmourn: House of Horror #84)
Blitz Leech (Ikoria: Lair of Behemoths #74)
Curse of Leeches // Leeching Lurker (Innistrad: Midnight Hunt #94)
Curse of Leeches // Leeching Lurker (Innistrad: Midnight Hunt #94)
Festerleech (Murders at Karlov Manor #85)
Gargantuan Leech (The Lost Caverns of Ixalan #107)
Jade Leech (Invasion #190)
Jorubai Murk Lurker (Magic 2015 #65)
Land Leeches (Fourth Edition #255)
Leech Gauntlet (Kamigawa: Neon Dynasty #106)
Mana Leech (Urza's Saga #141)
Mana Skimmer (Time Spiral #117)
Monstrous War-Leech (Dominaria United #98)
Putrid Leech (Duel Decks: Jace vs. Vraska #51)
Ruby Leech (Invasion #161)
Sapphire Leech (Invasion #71)
Slimy Dualleech (Murders at Karlov Manor #104)
Squelching Leeches (Duel Decks: Nissa vs. Ob Nixilis #62)

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