M:tG card similarity search
4B · Creature — Elf Assassin
Whenever Briarblade Adept attacks, target creature an opponent controls gets -1/-1 until end of turn. Encore {3}{B} ({3}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 3/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Dreamspoiler Witches | 3B | Creature — Faerie Wizard | Flying Whenever you cast a spell during an opponent's turn, you may have target creature get -1/-1 until end of turn. 2/2 |
| Jangling Automaton | 3 | Artifact Creature — Construct | Whenever Jangling Automaton attacks, untap all creatures defending player controls. 3/2 |
| Olivia's Wrath | 4B | Sorcery | Each non-Vampire creature gets -X/-X until end of turn, where X is the number of Vampires you control. |
| Quicksand | Land | {T}: Add {C}. {T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn. | |
| Azorius Skyguard | 4WU | Creature — Human Knight | Flying, first strike Creatures your opponents control get -1/-0. 3/3 |
| Festering Goblin | B | Creature — Zombie Goblin | When Festering Goblin dies, target creature gets -1/-1 until end of turn. 1/1 |
| Threnody Singer | 1U | Creature — Siren | Flash Flying When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3 |
| Crippling Fatigue | 1BB | Sorcery | Target creature gets -2/-2 until end of turn. Flashback—{1}{B}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Penregon Besieged | 1B | Enchantment | At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged. |
| Battle at the Bridge | XB | Sorcery | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Target creature gets -X/-X until end of turn. You gain X life. |