22 cards where the lore includes “whale”

Aethertide Whale (Aether Revolt #27)
Colossal Whale (Magic 2014 #48)
Control Win Condition (Mystery Booster Playtest Cards 2021 #19)
Ethereal Forager (Commander 2020 #34)
Fish (Commander 2021 Tokens #3)
Fish // Kraken (Masters 25 Tokens #5★)
Fish // Kraken (Masters 25 Tokens #5★)
Great Whale (Urza's Saga #77)
Horned Loch-Whale // Horned Loch-Whale (Wilds of Eldraine Art Series #6)
Horned Loch-Whale // Horned Loch-Whale (Wilds of Eldraine Art Series #6)
Horned Loch-Whale // Lagoon Breach (Wilds of Eldraine #53)
Killer Whale (Tempest Remastered #55)
Long-Finned Skywhale (Kaladesh #54)
Narwhal (Masters Edition II #57)
Phase Dolphin (Ikoria: Lair of Behemoths #62)
Pursued Whale (Commander Legends: Battle for Baldur's Gate #732)
Reef Worm (Commander 2021 #127)
Skywhaler's Shot (Commander Legends #46)
Star Whale (Doctor Who #55)
Steelfin Whale (Modern Horizons 2 #65)
Ukkima, Stalking Shadow (Outlaws of Thunder Junction Commander #247)
Waker of Waves (Core Set 2021 #84)
Whale (Commander 2021 Tokens #5)
Whalebone Glider (Ice Age #349)

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