M:tG card similarity search
3 · Artifact
When Threefold Signal enters the battlefield, scry 3. Each spell you cast that's exactly three colors has replicate {3}. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies. A copy of a permanent spell becomes a token.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Whisper Agent | 1U/BU/B | Creature — Human Rogue | Flash When Whisper Agent enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) 3/2 |
| Sea Gate | Land — Gate | Sea Gate enters the battlefield tapped. As Sea Gate enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Thriving Isle | Land | Thriving Isle enters the battlefield tapped. As Thriving Isle enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Chorus of the Tides | 3U | Creature — Siren | Flying Heroic — Whenever you cast a spell that targets Chorus of the Tides, scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) 3/2 |
| Painter's Servant | 2 | Artifact Creature — Scarecrow | As Painter's Servant enters the battlefield, choose a color. All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors. 1/3 |
| Sphinx of Lost Truths | 3UU | Creature — Sphinx | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Flying When Sphinx of Lost Truths enters the battlefield, draw three cards. Then if it wasn't kicked, discard three cards. 3/5 |
| Edgewall Inn | Land | Edgewall Inn enters the battlefield tapped. As Edgewall Inn enters the battlefield, choose a color. {T}: Add one mana of the chosen color. {3}, {T}, Sacrifice Edgewall Inn: Return target card that has an Adventure from your graveyard to your hand. | |
| Coldsteel Heart | 2 | Snow Artifact | Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color. |
| Shimmerdrift Vale | Snow Land | Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Uncharted Haven | Land | Uncharted Haven enters the battlefield tapped. As Uncharted Haven enters the battlefield, choose a color. {T}: Add one mana of the chosen color. |