M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Psychic Trance | 2UU | Instant | Until end of turn, Wizards you control gain "{T}: Counter target spell." |
| 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.) |
| Cursecatcher | U | Creature — Merfolk Wizard | Sacrifice Cursecatcher: Counter target instant or sorcery spell unless its controller pays {1}. 1/1 |
| Stromgald Cabal | 1BB | Creature — Human Knight | {T}, Pay 1 life: Counter target white spell. 2/2 |
| Shield Broker | 3UU | Creature — Cephalid Advisor | When Shield Broker enters the battlefield, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) 3/4 |
| Syphon Essence | 2U | Instant | Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") |
| Invasive Surgery | U | Instant | Counter target sorcery spell. Delirium — If there are four or more card types among cards in your graveyard, search the graveyard, hand, and library of that spell's controller for any number of cards with the same name as that spell, exile those cards, then that player shuffles. |