M:tG card similarity search
3B · Creature — Insect
Flying When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn. 2/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Rank and File | 2BB | Creature — Zombie | When Rank and File enters the battlefield, green creatures get -1/-1 until end of turn. 3/3 |
| Contagion Engine | 6 | Artifact | When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.) |
| 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 |
| Skulduggery | B | Instant | Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1. |
| Skyshroud Archer | G | Creature — Elf Archer | {T}: Target creature with flying gets -1/-1 until end of turn. 1/1 |
| Blister Beetle | 1B | Creature — Insect | When Blister Beetle enters the battlefield, target creature gets -1/-1 until end of turn. 1/1 |
| Vedalken Mesmerist | 1U | Creature — Vedalken Wizard | Whenever Vedalken Mesmerist attacks, target creature an opponent controls gets -2/-0 until end of turn. 2/1 |
| Dream Spoilers | 3B | Creature — Faerie Warlock | Flying Whenever you cast a spell during an opponent's turn, up to one target creature an opponent controls gets -1/-1 until end of turn. 2/2 |
| Plague Mare | 1BB | Creature — Nightmare Horse | Plague Mare can't be blocked by white creatures. When Plague Mare enters the battlefield, creatures your opponents control get -1/-1 until end of turn. 2/2 |
| Ringwraiths | 4BB | Creature — Wraith Knight | When Ringwraiths enters the battlefield, target creature an opponent controls gets -3/-3 until end of turn. If that creature is legendary, its controller loses 3 life. When the Ring tempts you, return Ringwraiths from your graveyard to your hand. 5/5 |