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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 |
|---|---|---|---|
| Chandra's Embercat | 1R | Creature — Elemental Cat | {T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell. 2/2 |
| Dream Thief | 2U | Creature — Faerie Rogue | Flying When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn. 2/1 |
| Lilah, Undefeated Slickshot | 1UR | Legendary Creature — Human Rogue | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a multicolored instant or sorcery spell from your hand, exile that spell instead of putting it into your graveyard as it resolves. If you do, it becomes plotted. (You may cast it as a sorcery on a later turn without paying its mana cost.) 3/3 |
| Unifying Theory | 1U | Enchantment | Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card. |
| Rhystic Study | 2U | Enchantment | Whenever an opponent casts a spell, you may draw a card unless that player pays {1}. |
| Elven Warhounds | 3G | Creature — Dog | Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library. 2/2 |
| Lozhan, Dragons' Legacy | 3UR | Legendary Creature — Dragon Shaman | Flying Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander. 4/2 |
| Regeneration | 1G | Enchantment — Aura | Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) {G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) |
| Venom | 1GG | Enchantment — Aura | Enchant creature Whenever enchanted creature blocks or becomes blocked by a non-Wall creature, destroy the other creature at end of combat. |
| Yeva, Nature's Herald | 2GG | Legendary Creature — Elf Shaman | Flash (You may cast this spell any time you could cast an instant.) You may cast green creature spells as though they had flash. 4/4 |