Petrahydrox
Guildpact — Common
Creature — Weird
Sets Petrahydrox has been printed in:

Guildpact — Common
Creature — Weird
Sets Petrahydrox has been printed in:

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Creature — Illusion (2/3)
Flying
When Mirozel becomes the target of a spell or ability, return Mirozel to its owner's hand.
Instant
Return target creature card from your graveyard to the battlefield with a mannequin counter on it. For as long as that creature has a mannequin counter on it, it has "When this creature becomes the target of a spell or ability, sacrifice it."
Enchantment Creature — Nautilus (4/4)
Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.
Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."
Creature — Spirit Pirate (2/2)
When Departed Deckhand becomes the target of a spell, sacrifice it.
Departed Deckhand can't be blocked except by Spirits.
: Another target creature you control can't be blocked this turn except by Spirits.
Enchantment
Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.
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