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
Ulvenwald Mystics 2GGCreature — Human Shaman Werewolf At the beginning of each upkeep, if no spells were cast last turn, transform Ulvenwald Mystics. 3/3
Threefold Signal 3Artifact When Threefold Signal enters the battlefield, scry 3. Each spell you cast that's exactly three colors has replicate {3}. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies. A copy of a permanent spell becomes a token.)
Charisma UUUEnchantment — Aura Enchant creature Whenever enchanted creature deals damage to a creature, gain control of the other creature for as long as Charisma remains on the battlefield.
Sorcerer Class UREnchantment — Class (Gain the next level as a sorcery to add its ability.) When Sorcerer Class enters the battlefield, draw two cards, then discard two cards. {U}{R}: Level 2 Creatures you control have "{T}: Add {U} or {R}. Spend this mana only to cast an instant or sorcery spell or to gain a Class level." {3}{U}{R}: Level 3 Whenever you cast an instant or sorcery spell, that spell deals damage to each opponent equal to the number of instant and sorcery spells you've cast this turn.
Oath of Ajani GWLegendary Enchantment When Oath of Ajani enters the battlefield, put a +1/+1 counter on each creature you control. Planeswalker spells you cast cost {1} less to cast.
Atinlay Igpay 5WEaturecray — Igpay Oubleday ikestray Enwhay ouyay eakspay ay onnay-igpay-atinlay ordway, acrificesay Atinlay Igpay. 3/3
Jace's Sanctum 3UEnchantment Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Brimstone Roundup 1REnchantment Whenever you cast your second spell each turn, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Plot {2}{R} (You may pay {2}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)
Plague Stinger 1BCreature — Phyrexian Insect Horror Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) 1/1
Opening Ceremony 4RRSorcery Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack.
Page 256