M:tG card similarity search
2W · Enchantment
When an opponent casts a creature spell, if Opal Champion is an enchantment, Opal Champion becomes a 3/3 Knight creature with first strike.
| Name | Mana | Type | Text |
|---|---|---|---|
| Stoic Rebuttal | 1UU | Instant | Metalcraft — This spell costs {1} less to cast if you control three or more artifacts. Counter target spell. |
| Chromium, the Mutable | 4WUB | Legendary Creature — Elder Dragon | Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn. 7/7 |
| Pyrostatic Pillar | 1R | Enchantment | Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player. |
| Sky Theater Strix | 1U | Creature — Bird | Flying Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn. 1/2 |
| Zombie Boa | 4B | Creature — Zombie Snake | {1}{B}: Choose a color. Whenever Zombie Boa becomes blocked by a creature of that color this turn, destroy that creature. Activate only as a sorcery. 3/3 |
| Halsin, Emerald Archdruid | 3G | Legendary Creature — Elf Druid | {1}: Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types. Choose a Background (You can have a Background as a second commander.) 2/4 |
| Mindreaver | UU | Creature — Human Wizard | Heroic — Whenever you cast a spell that targets Mindreaver, exile the top three cards of target player's library. {U}{U}, Sacrifice Mindreaver: Counter target spell with the same name as a card exiled with Mindreaver. 2/1 |
| Essence Scatter | 1U | Instant | Counter target creature spell. |
| False Summoning | 1U | Instant | Counter target creature spell. |
| Preemptive Strike | 1U | Instant | Counter target creature spell. |