M:tG card similarity search
| Name | Mana | Type | Text | 
|---|---|---|---|
| Put Away | 2UU | Instant | Counter target spell. You may shuffle up to one target card from your graveyard into your library. | 
| Mental Misstep | U/P | Instant | ({U/P} can be paid with either {U} or 2 life.) Counter target spell with mana value 1. | 
| Spell Snare | U | Instant | Counter target spell with mana value 2. | 
| Absorb Energy | 1UU | Instant | Counter target spell. Cards in your hand that share a card type with that spell perpetually gain "This spell costs {1} less to cast." | 
| Amulet of Safekeeping | 2 | Artifact | Whenever you become the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. Creature tokens get -1/-0. | 
| Induce Paranoia | 2UU | Instant | Counter target spell. If {B} was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value. | 
| Flare of Denial | 1UU | Instant | You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell. | 
| Reject Imperfection | 1UU | Instant | Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | 
| Venerated Rotpriest | G | Creature — Phyrexian Druid | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter. 1/2 | 
| Spell Burst | XU | Instant | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell with mana value X. |