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17 May 2024: Card library updated.

Opal Guardian

WWW · Enchantment

When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red.

Similar cards

Color identity:
NameManaTypeText
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Jetting Glasskite 4UUCreature — Spirit Flying Whenever Jetting Glasskite becomes the target of a spell or ability for the first time each turn, counter that spell or ability. 4/4
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Void Mirror 2Artifact Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.
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Hazerider Drake 2WUCreature — Drake Flying, protection from red 2/3
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Rohgahh, Kher Keep Overlord 3BRLegendary Creature — Kobold Warrior Other Kobolds you control get +2/+2. Whenever you cast a Kobold spell, you may pay {2}. If you do, create a 4/4 red Dragon creature token with flying. Whenever you cast a Dragon spell, create a 0/1 red Kobold creature token named Kobolds of Kher Keep. 4/4
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