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 |
|---|---|---|---|
| Tireless Tribe | W | Creature — Human Nomad | Discard a card: Tireless Tribe gets +0/+4 until end of turn. 1/1 |
| Resolute Watchdog | W | Creature — Dog | Defender {1}, Sacrifice Resolute Watchdog: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 1/3 |
| Circuit Mender | 3 | Artifact Creature — Insect | When Circuit Mender enters the battlefield, you gain 2 life. When Circuit Mender leaves the battlefield, draw a card. 2/3 |
| Shimmering Efreet | 2U | Creature — Efreet | Flying Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.) Whenever Shimmering Efreet phases in, target creature phases out. (It phases in before its controller untaps during their next untap step.) 2/2 |
| Brimstone Roundup | 1R | Enchantment | Whenever you cast your second spell each turn, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Plot {2}{R} (You may pay {2}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) |
| Bog Serpent | 5B | Creature — Serpent | Bog Serpent can't attack unless defending player controls a Swamp. When you control no Swamps, sacrifice Bog Serpent. 5/5 |
| Skyclave Cleric | 1W | Creature — Kor Cleric | When Skyclave Cleric enters the battlefield, you gain 2 life. 1/3 |
| Rashka the Slayer | 3WW | Legendary Creature — Human Archer | Reach (This creature can block creatures with flying.) Whenever Rashka the Slayer blocks one or more black creatures, Rashka gets +1/+2 until end of turn. 3/3 |
| Fungal Sprouting | 3G | Sorcery | Create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control. |
| Ichor Explosion | 5BB | Sorcery | As an additional cost to cast this spell, sacrifice a creature. All creatures get -X/-X until end of turn, where X is the sacrificed creature's power. |