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 |
|---|---|---|---|
| Infest | 1BB | Sorcery | All creatures get -2/-2 until end of turn. |
| Languish | 2BB | Sorcery | All creatures get -4/-4 until end of turn. |
| Marsh Gas | B | Instant | All creatures get -2/-0 until end of turn. |
| Nausea | 1B | Sorcery | All creatures get -1/-1 until end of turn. |
| Rags | 2BB | Sorcery | All creatures get -2/-2 until end of turn. |
| Shrivel | 1B | Sorcery | All creatures get -1/-1 until end of turn. |
| The Curse of Fenric | 2GW | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — For each player, destroy up to one target creature that player controls. For each creature destroyed this way, its controller creates a 3/3 green Mutant creature token with deathtouch. II — Target nontoken creature becomes a 6/6 legendary Horror creature named Fenric and loses all abilities. III — Target Mutant fights another target creature named Fenric. |
| Kathari Remnant | 2UB | Creature — Bird Skeleton | Flying {B}: Regenerate Kathari Remnant. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) 0/1 |
| Deepwood Elder | GG | Creature — Dryad Spellshaper | {X}{G}{G}, {T}, Discard a card: X target lands become Forests until end of turn. 2/2 |
| Mogg Assassin | 2R | Creature — Goblin Assassin | {T}: You choose target creature an opponent controls, and that opponent chooses target creature. Flip a coin. If you win the flip, destroy the creature you chose. If you lose the flip, destroy the creature your opponent chose. 2/1 |