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 |
|---|---|---|---|
| Plaza of Harmony | Land | When Plaza of Harmony enters the battlefield, if you control two or more Gates, you gain 3 life. {T}: Add {C}. {T}: Add one mana of any type that a Gate you control could produce. | |
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Saruli Caretaker | G | Creature — Dryad | Defender {T}, Tap an untapped creature you control: Add one mana of any color. 0/3 |
| Rift Sower | 2G | Creature — Elf Druid | {T}: Add one mana of any color. Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) 1/3 |
| Quirion Sentinel | 1G | Creature — Elf Druid | When Quirion Sentinel enters the battlefield, add one mana of any color. 2/1 |
| Tome of the Infinite | 2U | Legendary Artifact | {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Ash Barrens | Land | {T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.) | |
| Jetsam | 4U/BU/B | Sorcery | Each opponent mills three cards, then you may cast a spell from each opponent's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead. |
| Celestial Dawn | 1WW | Enchantment | Lands you control are Plains. Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield. You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana. |