M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Psychic Barrier | UU | Instant | Counter target creature spell. Its controller loses 1 life. |
| Flusterstorm | U | Instant | Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.) |
| Fevered Convulsions | BB | Enchantment | {2}{B}{B}: Put a -1/-1 counter on target creature. |
| Gnarled Effigy | 4 | Artifact | {4}, {T}: Put a -1/-1 counter on target creature. |
| Scar | B/R | Instant | Put a -1/-1 counter on target creature. |
| Common Courtesy | 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. |
| Ice Cave | 3UU | Enchantment | Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.) |
| Miscast | U | Instant | Counter target instant or sorcery spell unless its controller pays {3}. |
| Summoner's Bane | 2UU | Instant | Counter target creature spell. Create a 2/2 blue Illusion creature token. |
| Grim Affliction | 2B | Instant | Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) |