Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Petrahydrox

3U/R · Creature — Weird

({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand. 3/3

Similar cards

Color identity:
NameManaTypeText
Mercurial Transformation 1USorcery — Lesson Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.
Planeswalker's Mischief 2UEnchantment {3}{U}: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate only as a sorcery.
Dragonkin Berserker 1RCreature — Human Berserker First strike Boast abilities you activate cost {1} less to activate for each Dragon you control. Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.) 2/2
Strong Back 2GEnchantment — Aura Enchant creature Equip abilities you activate that target enchanted creature cost {3} less to activate. Aura spells you cast that target enchanted creature cost {3} less to cast. Enchanted creature gets +2/+2 for each Aura and Equipment attached to it.
Void Maw 4BBCreature — Horror Trample If another creature would die, exile it instead. Put a card exiled with Void Maw into its owner's graveyard: Void Maw gets +2/+2 until end of turn. 4/5
Shade's Breath 1BInstant Until end of turn, each creature you control becomes a black Shade and gains "{B}: This creature gets +1/+1 until end of turn."
Zada, Hedron Grinder 3RLegendary Creature — Goblin Ally Whenever you cast an instant or sorcery spell that targets only Zada, Hedron Grinder, copy that spell for each other creature you control that the spell could target. Each copy targets a different one of those creatures. 3/3
Elrond, Lord of Rivendell 2ULegendary Creature — Elf Noble Whenever Elrond, Lord of Rivendell or another creature enters the battlefield under your control, scry 1. If this is the second time this ability has resolved this turn, the Ring tempts you. 3/2
Base Camp Land Base Camp enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Cleric, Rogue, Warrior, or Wizard spell or to activate an ability of a Cleric, Rogue, Warrior, or Wizard.
Steam Vines 1RREnchantment — Aura Enchant land When enchanted land becomes tapped, destroy it and Steam Vines deals 1 damage to that land's controller. That player attaches Steam Vines to a land of their choice.
Page 351