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 |
|---|---|---|---|
| Ogre Recluse | 3R | Creature — Ogre Warrior | Whenever a player casts a spell, tap Ogre Recluse. 5/4 |
| Teferi, Mage of Zhalfir | 2UUU | Legendary Creature — Human Wizard | Flash Creature cards you own that aren't on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery. 3/4 |
| Quirion Druid | 2G | Creature — Elf Druid | {G}, {T}: Target land becomes a 2/2 green creature that's still a land. (This effect lasts indefinitely.) 1/2 |
| The Myriad Pools | Legendary Artifact Land | (Transforms from The Everflowing Well.) {T}: Add {U}. Whenever you cast a permanent spell using mana produced by The Myriad Pools, up to one other target permanent you control becomes a copy of that spell until end of turn. | |
| Thorn of the Black Rose | 3B | Creature — Human Assassin | Deathtouch When Thorn of the Black Rose enters the battlefield, you become the monarch. 1/3 |
| Displaced Dinosaurs | 5GG | Creature — Dinosaur | As a historic permanent enters the battlefield under your control, it becomes a 7/7 Dinosaur creature in addition to its other types. (Artifacts, legendaries, and Sagas are historic.) 7/7 |
| Spireside Infiltrator | 2R | Creature — Human Rogue | Whenever Spireside Infiltrator becomes tapped, it deals 1 damage to each opponent. 3/2 |
| Mossdog | G | Creature — Plant Dog | Whenever Mossdog becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on Mossdog. 1/1 |
| Living Breakthrough | Enchantment Creature — Moonfolk | Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3 | |
| Proteus Machine | 3 | Artifact Creature — Shapeshifter | Morph {0} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Proteus Machine is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.) 2/2 |