Card Codex

M:tG card similarity search

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
Belltoll Dragon 5UCreature — Dragon Flying, hexproof Megamorph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Belltoll Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control. 3/3
Wispmare 2WCreature — Elemental Flying When Wispmare enters the battlefield, destroy target enchantment. Evoke {W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.) 1/3
Liquimetal Torque 2Artifact {T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.
Hardened Berserker 2RCreature — Human Berserker Whenever Hardened Berserker attacks, the next spell you cast this turn costs {1} less to cast. 3/2
Plague Wight 1BCreature — Zombie Whenever Plague Wight becomes blocked, each creature blocking it gets -1/-1 until end of turn. 2/1
Sea Gate Colossus 7Artifact Creature — Golem Warrior This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) 7/5
Balloon Stand Artifact — Attraction Visit — Choose one. • Create a 1/1 red Balloon creature token with flying. • Sacrifice a Balloon. If you do, target creature gains flying until end of turn.
Baneblade Scoundrel 3BCreature — Human Rogue Werewolf Whenever Baneblade Scoundrel becomes blocked, each creature blocking it gets -1/-1 until end of turn. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 4/3
Somberwald Sage 2GCreature — Human Druid {T}: Add three mana of any one color. Spend this mana only to cast creature spells. 0/1
Detection Tower Land {T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
Page 262