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 |
|---|---|---|---|
| Constricting Tendrils | U | Instant | Target creature gets -3/-0 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Black Sun's Twilight | XB | Instant | Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped. |
| Harsh Sustenance | 1WB | Instant | Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control. |
| Shriek of Dread | 1B | Instant | Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.) |
| Skinrender | 2BB | Creature — Phyrexian Zombie | When Skinrender enters the battlefield, put three -1/-1 counters on target creature. 3/3 |
| Disposal Mummy | 2W | Creature — Zombie Jackal | When Disposal Mummy enters the battlefield, exile target card from an opponent's graveyard. 2/3 |
| Become Immense | 5G | Instant | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Target creature gets +6/+6 until end of turn. |
| Persuasive Interrogators | 4BB | Creature — Gorgon Detective | When Persuasive Interrogators enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, target opponent gets two poison counters. (A player with ten or more poison counters loses the game.) 5/6 |
| Ringwarden Owl | 3UU | Creature — Bird | Flying (This creature can't be blocked except by creatures with flying or reach.) Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) 3/3 |
| Djinn of Fool's Fall | 4U | Creature — Djinn | Flying Plot {3}{U} (You may pay {3}{U} 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.) 4/3 |