M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Scalding Viper | 1R | Creature — Elemental Snake | Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. 2/1 |
| Sphinx's Decree | 1W | Sorcery | Each opponent can't cast instant or sorcery spells during that player's next turn. |
| Edgewalker | 1WB | Creature — Human Cleric | Cleric spells you cast cost {W}{B} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost {1}{W}, it costs {1} to cast.) 2/2 |
| Benalish Knight-Counselor | W | Creature — Human Knight | Enlist Whenever Benalish Knight-Counselor enlists a creature, you get a one-time boon with "When you cast a creature spell, that creature enters the battlefield with a +1/+1 counter on it." 2/1 |
| Vedalken Archmage | 2UU | Creature — Vedalken Wizard | Whenever you cast an artifact spell, draw a card. 0/2 |
| Thieving Aven | 2U | Creature — Bird Rogue | Flying Whenever Thieving Aven deals combat damage to a player, heist target opponent's library. Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven. 1/4 |
| Sea Snidd | 4U | Creature — Beast | {T}: Target land becomes the basic land type of your choice until end of turn. 3/3 |
| Gift Horse | Artifact — Contraption | Whenever you crank Gift Horse, roll two six-sided dice. Create a number of 1/1 red Goblin creature tokens equal to the difference between those results. | |
| Ertai, the Corrupted | 2WUB | Legendary Creature — Phyrexian Human Wizard | {U}, {T}, Sacrifice a creature or enchantment: Counter target spell. 3/4 |
| Curse of Disturbance | 2B | Enchantment — Aura Curse | Enchant player Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same. |