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
Amphibious Kavu 2GCreature — Kavu Whenever Amphibious Kavu blocks or becomes blocked by one or more blue and/or black creatures, Amphibious Kavu gets +3/+3 until end of turn. 2/2
Cinder Pyromancer 2RCreature — Elemental Shaman {T}: Cinder Pyromancer deals 1 damage to target player or planeswalker. Whenever you cast a red spell, you may untap Cinder Pyromancer. 0/1
Angel of Unity 1WCreature — Angel Cleric Flying, lifelink Whenever Angel of Unity enters the battlefield or you cast a party spell, choose a party creature card in your hand. It perpetually gets +1/+1. (A party card or spell is a Cleric, Rogue, Warrior, or Wizard.) 1/3
Managorger Phoenix RRCreature — Phoenix Flying Managorger Phoenix can't block. Whenever you cast a spell, if Managorger Phoenix is in your graveyard, put a flame counter on Managorger Phoenix for each {R} in that spell's mana cost. If Managorger Phoenix has five or more flame counters on it, return it to the battlefield and it perpetually gets +1/+1. 2/2
Terror of Kruin Pass Creature — Werewolf Double strike Werewolves you control have menace. (They can't be blocked except by two or more creatures.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Terror of Kruin Pass. 3/3
Clout of the Dominus U/REnchantment — Aura Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has shroud. (It can't be the target of spells or abilities.) As long as enchanted creature is red, it gets +1/+1 and has haste.
Village Messenger RCreature — Human Werewolf Haste At the beginning of each upkeep, if no spells were cast last turn, transform Village Messenger. 1/1
Mangara, the Diplomat 3WLegendary Creature — Human Cleric Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card. 2/4
Elemental Appeal RRRRSorcery Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a 7/1 red Elemental creature token with trample and haste. Exile it at the beginning of the next end step. If this spell was kicked, that creature gets +7/+0 until end of turn.
Argent Mutation 2UInstant Target permanent becomes an artifact in addition to its other types until end of turn. Draw a card.
Page 229