39 cards where the text includes “any player may activate this ability”

Aether Storm (Masters Edition II #39)
Armageddon Clock (Masters Edition IV #180)
Deadly Designs (Masters 25 #83)
Endbringer's Revel (Prophecy #63)
Excavation (Prophecy #33)
Fan Favorite (Battlebond #46)
Feral Hydra (Jumpstart #395)
Flailing Manticore (Mercadian Masques #187)
Flailing Ogre (Mercadian Masques #188)
Flailing Soldier (Mercadian Masques #189)
Glittering Lion (Prophecy #10)
Glittering Lynx (Prophecy #11)
Hangman (Unstable #56)
Ifh-Bíff Efreet (Masters Edition #123)
Infinite Hourglass (Fifth Edition #378)
Land's Edge (Chronicles #52)
Lethal Vapors (Scourge #68)
Lightning Storm (Coldsnap #89)
Mana Cache (Nemesis #92)
Mercenaries (Ice Age #44)
Nullhide Ferox (Guilds of Ravnica #138)
Oona's Prowler (Double Masters 2022 #85)
Quicksilver Wall (Prophecy #41)
Ribbon Snake (Prophecy #46)
Sailmonger (Mercadian Masques #95)
Samite Sanctuary (Prophecy #21)
Saproling Cluster (Nemesis #114)
Scandalmonger (Mercadian Masques #158)
Squallmonger (Commander 2011 #173)
Task Mage Assembly (Prophecy #105)
Tidal Control (Alliances #40)
Vintara Elephant (Prophecy #131)
Volrath's Dungeon (Exodus #78)
Wall of Vipers (Prophecy #80)
Warmonger (Mercadian Masques #225)
Well of Knowledge (Weatherlight #162)
Wishmonger (Mercadian Masques #57)
Xantcha, Sleeper Agent (Commander Masters #362)
Zerapa Minotaur (Prophecy #108)

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