M:tG card similarity search
3 · Artifact
As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.
| Name | Mana | Type | Text |
|---|---|---|---|
| Karador, Ghost Chieftain | 5WBG | Legendary Creature — Centaur Spirit | This spell costs {1} less to cast for each creature card in your graveyard. Once during each of your turns, you may cast a creature spell from your graveyard. 3/4 |
| Helm of Awakening | 2 | Artifact | Spells cost {1} less to cast. |
| Herald of Slaanesh | 2R | Creature — Demon | Locus of Slaanesh — Demon spells you cast cost {2} less to cast. Other Demons you control have haste. 2/2 |
| Naked Singularity | 5 | Artifact | Cumulative upkeep {3} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If tapped for mana, Plains produce {R}, Islands produce {G}, Swamps produce {W}, Mountains produce {U}, and Forests produce {B} instead of any other type. |
| Bury in Books | 4U | Instant | This spell costs {2} less to cast if it targets an attacking creature. Put target creature into its owner's library second from the top. |
| Bronze Calendar | 4 | Artifact | Spells you cast cost {1} less to cast. You must speak in a voice other than your normal voice. When you speak in your normal voice, sacrifice Bronze Calendar. |
| Revival Experiment | 4BG | Sorcery | For each permanent type, return up to one card of that type from your graveyard to the battlefield. You lose 3 life for each card returned this way. Exile Revival Experiment. |
| Acolyte of Bahamut | 1G | Legendary Enchantment — Background | Commander creatures you own have "The first Dragon spell you cast each turn costs {2} less to cast." |
| Mana Matrix | 6 | Artifact | Instant and enchantment spells you cast cost up to {2} less to cast. |
| Selective Snare | XU | Sorcery | Return X target creatures of the creature type of your choice to their owner's hand. |