M:tG card similarity search
2UU · Enchantment
Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.
| Name | Mana | Type | Text |
|---|---|---|---|
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Chief Engineer | 1U | Creature — Vedalken Artificer | Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.) 1/3 |
| Kaervek the Merciless | 5BR | Legendary Creature — Human Shaman | Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target. 5/4 |
| Wavebreak Hippocamp | 2U | Enchantment Creature — Horse Fish | Whenever you cast your first spell during each opponent's turn, draw a card. 2/2 |
| Gnarlback Rhino | 2GG | Creature — Rhino | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever you cast a spell that targets Gnarlback Rhino, draw a card. 4/4 |
| Negate | 1U | Instant | Counter target noncreature spell. |
| Psionic Pulse | 2U | Instant — Adventure | Counter target noncreature spell. (Then exile this card. You may cast the creature later from exile.) |
| Spite | 3U | Instant | Counter target noncreature spell. |
| Lone Wolf of the Natterknolls | Creature — Werewolf | Whenever an opponent casts a spell during your turn, draw two cards. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Lone Wolf of the Natterknolls. 3/5 |