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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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Skulking Ghost 1BCreature — Spirit Flying When Skulking Ghost becomes the target of a spell or ability, sacrifice it. 2/1
Genju of the Falls UEnchantment — Aura Enchant Island {2}: Enchanted Island becomes a 3/2 blue Spirit creature with flying until end of turn. It's still a land. When enchanted Island is put into a graveyard, you may return Genju of the Falls from your graveyard to your hand.
Deathlace BInstant Target spell or permanent becomes black. (Mana symbols on that permanent remain unchanged.)
Vadrik, Astral Archmage 1URLegendary Creature — Human Wizard If it's neither day nor night, it becomes day as Vadrik, Astral Archmage enters the battlefield. Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power. Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik. 1/2
Boros Keyrune 3Artifact {T}: Add {R} or {W}. {R}{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.)
Vernal Equinox 3GEnchantment Any player may cast creature and enchantment spells as though they had flash.
Sunstreak Phoenix 2RRCreature — Phoenix Flying If it's neither day nor night, it becomes day as Sunstreak Phoenix enters the battlefield. Whenever day becomes night or night becomes day, you may pay {1}{R}. If you do, return Sunstreak Phoenix from your graveyard to the battlefield tapped. 4/2
Stormchaser Drake 1UCreature — Drake Flying Whenever Stormchaser Drake becomes the target of a spell you control, draw a card. 2/1
Gruul War Plow 4Artifact Creatures you control have trample. {1}{R}{G}: Gruul War Plow becomes a 4/4 Juggernaut artifact creature until end of turn.
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