M:tG card similarity search
1R · Artifact
{T}: Add {R}. Spend this mana only to cast an instant or sorcery spell. Craft with four or more red instant and/or sorcery cards {3}{R}{R} ({3}{R}{R}, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Myr Superion | 2 | Artifact Creature — Myr | Spend only mana produced by creatures to cast this spell. 5/6 |
| Spellweaver Helix | 3 | Artifact | Imprint — When Spellweaver Helix enters the battlefield, you may exile two target sorcery cards from a single graveyard. Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost. |
| Bloodthirsty Adversary | 1R | Creature — Vampire | Haste When Bloodthirsty Adversary enters the battlefield, you may pay {2}{R} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Bloodthirsty Adversary, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs. 2/2 |
| Nezumi Bone-Reader | 1B | Creature — Rat Shaman | {B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery. 1/1 |
| Guildmages' Forum | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. | |
| Orvar, the All-Form | 3U | Legendary Creature — Shapeshifter | Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent. 3/3 |
| Troyan, Gutsy Explorer | 1GU | Legendary Creature — Vedalken Scout | {T}: Add {G}{U}. Spend this mana only to cast spells with mana value 5 or greater or spells with {X} in their mana costs. {U}, {T}: Draw a card, then discard a card. 1/3 |
| Underdome | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to pay Un-costs. | |
| Kaho, Minamo Historian | 2UU | Legendary Creature — Human Wizard | When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle. {X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost. 2/2 |
| Return the Favor | RR | Instant | Spree (Choose one or more additional costs.) + {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy. + {1} — Change the target of target spell or ability with a single target. |