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 |
|---|---|---|---|
| Glaring Aegis | W | Enchantment — Aura | Enchant creature When Glaring Aegis enters the battlefield, tap target creature an opponent controls. Enchanted creature gets +1/+3. |
| Leonin Armorguard | 2GW | Creature — Cat Soldier | When Leonin Armorguard enters the battlefield, creatures you control get +1/+1 until end of turn. 3/3 |
| Suicidal Charge | 3BR | Enchantment | Sacrifice Suicidal Charge: Creatures your opponents control get -1/-1 until end of turn. Those creatures attack this turn if able. |
| Alluring Siren | 1U | Creature — Siren | {T}: Target creature an opponent controls attacks you this turn if able. 1/1 |
| Absolving Lammasu | 4W | Creature — Lammasu | Flying When Absolving Lammasu enters the battlefield, all suspected creatures are no longer suspected. When Absolving Lammasu dies, you gain 3 life and suspect up to one target creature an opponent controls. (A suspected creature has menace and can't block.) 4/3 |
| Jadelight Spelunker | XG | Creature — Merfolk Scout | When Jadelight Spelunker enters the battlefield, it explores X times. (To have it explore, 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 that creature, then put the card back or put it into your graveyard.) 1/1 |
| Keening Banshee | 2BB | Creature — Spirit | Flying When Keening Banshee enters the battlefield, target creature gets -2/-2 until end of turn. 2/2 |
| Briarhorn | 3G | Creature — Elemental | Flash When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn. Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.) 3/3 |
| Dunland Crebain | 2B | Creature — Bird Horror | Flying When Dunland Crebain enters the battlefield, amass Orcs 2. (Put two +1/+1 counters 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.) 1/1 |
| Neutralize the Guards | 2B | Instant | Creatures target opponent controls get -1/-1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) |