![Serpent of Yawning Depths (Rainbow Foil) [Secret Lair Drop Series] Water[-20] Set Name: Mercurial Heart Release](https://cdn.shopify.com/s/files/1/0881/9956/1503/files/c8965db3-ad37-5c49-b059-27aa19ced5ba.png?v=1759780179)
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Set Name: Mercurial Heart Release Date: 2024-05-17 Rarity: Ultra Rare Card Name: Mercurial Heart Card Number: 012 Flavor Text: The first heartbeat began the downfall of Azoth
[On Play] Return up to 1 Character with a cost of 6 or less to the owner's hand
Set: Pokémon GO Type: Supporter Rarity: Secret Rare
While you control another face-up "Elemental Hero" monster
Serpent of Yawning Depths (Rainbow Foil) [Secret Lair Drop Series] Water[-20] Set Name: Mercurial Heart ReleaseSet: Secret Lair Drop Series Type: Enchantment Creature Serpent Rarity: Rare Cost: {4}{U}{U} Krakens, Leviathans, Octopuses, and Serpents you control can't be blocked except by Krakens, Leviathans, Octopuses, and Serpents. Fear not heightstrue monsters lurk in the depths.
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