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 |
|---|---|---|---|
| Atzocan Archer | 2G | Creature — Human Archer | Reach When Atzocan Archer enters the battlefield, you may have it fight another target creature. (Each deals damage equal to its power to the other.) 1/4 |
| Graverobber Spider | 3G | Creature — Spider | Reach {3}{B}: Graverobber Spider gets +X/+X until end of turn, where X is the number of creature cards in your graveyard. Activate only once each turn. 2/4 |
| Rosethorn Halberd | G | Artifact — Equipment | When Rosethorn Halberd enters the battlefield, attach it to target non-Human creature you control. Equipped creature gets +2/+1. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.) |
| Executioner's Swing | WB | Instant | Target creature that dealt damage this turn gets -5/-5 until end of turn. |
| Muck Drubb | 3BB | Creature — Beast | Flash When Muck Drubb enters the battlefield, change the target of target spell that targets only a single creature to Muck Drubb. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 3/3 |
| Sky Theater Strix | 1U | Creature — Bird | Flying Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn. 1/2 |
| Angel of Renewal | 5W | Creature — Angel Ally | Flying When Angel of Renewal enters the battlefield, you gain 1 life for each creature you control. 4/4 |
| Make a Stand | 2W | Instant | Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.) |
| Havoc Demon | 5BB | Creature — Demon | Flying When Havoc Demon dies, all creatures get -5/-5 until end of turn. 5/5 |
| Neural Network | Artifact — Contraption | Whenever you crank Neural Network, gain control of target creature an opponent controls with power less than or equal to the number of creature cards in its controller's graveyard until end of turn. Untap that creature. It gains haste until end of turn. |