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 |
|---|---|---|---|
| Stoic Rebuttal | 1UU | Instant | Metalcraft — This spell costs {1} less to cast if you control three or more artifacts. Counter target spell. |
| Treasure Chest | 3 | Artifact | {4}, Sacrifice Treasure Chest: Roll a d20. 1 | Trapped! — You lose 3 life. 2—9 | Create five Treasure tokens. 10—19 | You gain 3 life and draw three cards. 20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle. |
| Primal Beyond | Land | As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Primal Beyond enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental. | |
| Witching Well | U | Artifact | When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {3}{U}, Sacrifice Witching Well: Draw two cards. |
| Witness of Tomorrows | 4U | Enchantment Creature — Sphinx | Flying {3}{U}: Scry 1. 3/4 |
| Arcum's Astrolabe | S | Snow Artifact | ({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. |
| Energy Refractor | 2 | Artifact | When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color. |
| Prophetic Prism | 2 | Artifact | When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. |
| Poet's Quill | 1B | Artifact — Equipment | When Poet's Quill enters the battlefield, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) Equipped creature gets +1/+1 and has lifelink. Equip {1}{B} |
| Unquestioned Authority | 2W | Enchantment — Aura | Enchant creature When Unquestioned Authority enters the battlefield, draw a card. Enchanted creature has protection from creatures. |