M:tG card similarity search
1B · Sorcery
Target opponent discards a card. Then they may discard an additional card. If they don't, conjure a duplicate of a random card from their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
| Name | Mana | Type | Text |
|---|---|---|---|
| Gem Bazaar | Land | When Gem Bazaar comes into play, choose a random color. {T}: Add to your mana pool one mana of the color last chosen. Then choose a random color. | |
| Gleemox | 0 | Artifact | {T}: Add one mana of any color. This card is banned. |
| Titans' Nest | 1BGU | Enchantment | At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Great Hall of the Citadel | Land | {T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells. | |
| Corrupted Crossroads | Land | {T}: Add {C}. ({C} represents colorless mana.) {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid. | |
| Haggle | R | Instant — Adventure | You may discard a card. If you do, draw a card. (Then exile this card. You may cast the creature later from exile.) |
| One with Nothing | B | Instant | Discard your hand. |
| Arcane Signet | 2 | Artifact | {T}: Add one mana of any color in your commander's color identity. |
| Command Tower | Land | {T}: Add one mana of any color in your commander's color identity. |