M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Doomwake Giant | 4B | Enchantment Creature — Giant | Constellation — Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn. 4/6 |
| Siren Lookout | 2U | Creature — Siren Pirate | Flying When Siren Lookout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) 1/2 |
| Echo Inspector | 3U | Creature — Bird Rogue | Flying When Echo Inspector enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) 2/3 |
| Fathom Fleet Cutthroat | 3B | Creature — Human Pirate | When Fathom Fleet Cutthroat enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn. 3/3 |
| Fairgrounds Warden | 2W | Creature — Dwarf Soldier | When Fairgrounds Warden enters the battlefield, exile target creature an opponent controls until Fairgrounds Warden leaves the battlefield. 1/3 |
| Resilient Khenra | 1G | Creature — Jackal Wizard | When Resilient Khenra enters the battlefield, you may have target creature get +X/+X until end of turn, where X is Resilient Khenra's power. Eternalize {4}{G}{G} ({4}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Wizard with no mana cost. Eternalize only as a sorcery.) 2/2 |
| Lyev Decree | 1W | Sorcery | Detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.) |
| Loathsome Catoblepas | 5B | Creature — Beast | {2}{G}: Loathsome Catoblepas must be blocked this turn if able. When Loathsome Catoblepas dies, target creature an opponent controls gets -3/-3 until end of turn. 3/3 |
| Bothersome Quasit | 2R | Creature — Demon | Menace Goaded creatures your opponents control can't block. Whenever you cast a noncreature spell, goad target creature an opponent controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) 3/2 |
| Aarakocra Sneak | 3U | Creature — Bird Rogue | Flying When Aarakocra Sneak enters the battlefield, you take the initiative. 1/4 |