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 |
|---|---|---|---|
| Kindly Cognician | 1U | Artifact Creature — Cyborg Artificer | Spells you cast that refer to artifacts or Contraptions in their rules text cost {1} less to cast. 1/3 |
| Soul Swallower | 2GG | Creature — Wurm | Trample Delirium — At the beginning of your upkeep, if there are four or more card types among cards in your graveyard, put three +1/+1 counters on Soul Swallower. 3/3 |
| Emerald Medallion | 2 | Artifact | Green spells you cast cost {1} less to cast. |
| Reality Twist | UUU | Enchantment | Cumulative upkeep {1}{U}{U} (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}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type. |
| Mana Echoes | 2RR | Enchantment | Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. |
| Plaguecrafter's Familiar | 1B | Creature — Rat | Deathtouch When Plaguecrafter's Familiar enters the battlefield, choose a creature card in your hand. It perpetually gains deathtouch. 1/1 |
| Etherium Sculptor | 1U | Artifact Creature — Vedalken Artificer | Artifact spells you cast cost {1} less to cast. 1/2 |
| Spellwild Ouphe | 1G | Creature — Ouphe | Spells that target Spellwild Ouphe cost {2} less to cast. 1/3 |
| Stamp of Approval | 3 | Artifact | As Stamp of Approval enters the battlefield, choose a watermark. Creatures you control with the chosen watermark get +1/+1. |
| Holy Frazzle-Cannon | Artifact — Equipment | Whenever equipped creature attacks, put a +1/+1 counter on that creature and each other creature you control that shares a creature type with it. Equip {1} |