M:tG card similarity search
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.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Perilous Iteration | RG | Sorcery | Seek a card with mana value 2 or less and a card with mana value 3 or greater. Discard those cards at the beginning of your next turn's end step. | 
| Scatter to the Winds | 1UU | Instant | Counter target spell. Awaken 3—{4}{U}{U} (If you cast this spell for {4}{U}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.) | 
| Sinister Sabotage | 1UU | Instant | Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | 
| Scalding Viper | 1R | Creature — Elemental Snake | Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. 2/1 | 
| Epic Downfall | 1B | Sorcery | Exile target creature with mana value 3 or greater. | 
| Long Goodbye | 1B | Instant | This spell can't be countered. (This includes by the ward ability.) Destroy target creature or planeswalker with mana value 3 or less. | 
| Pyrostatic Pillar | 1R | Enchantment | Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player. | 
| Distended Mindbender | 8 | Creature — Eldrazi Insect | Emerge {5}{B}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards. 5/5 | 
| Saruman's Trickery | 1UU | Instant | Counter target spell. Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) | 
| Raze to the Ground | 2R | Sorcery | This spell can't be countered. Destroy target artifact. If its mana value was 1 or less, draw a card. |