M:tG card similarity search
1U · Instant
Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Web | 3 | Artifact | Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce. |
| Harvest Mage | G | Creature — Human Spellshaper | {G}, {T}, Discard a card: Until end of turn, if you tap a land for mana, it produces one mana of a color of your choice instead of any other type and amount. 1/1 |
| Keeper of Progenitus | 3G | Creature — Elf Druid | Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced. 1/3 |
| Quarum Trench Gnomes | 3R | Creature — Gnome | {T}: If target Plains is tapped for mana, it produces colorless mana instead of white mana. (This effect lasts indefinitely.) 1/1 |
| Doubling Cube | 2 | Artifact | {3}, {T}: Double the amount of each type of unspent mana you have. |
| Mana Reflection | 4GG | Enchantment | If you tap a permanent for mana, it produces twice as much of that mana instead. |
| Nikya of the Old Ways | 3RG | Legendary Creature — Centaur Druid | You can't cast noncreature spells. Whenever you tap a land for mana, add one mana of any type that land produced. 5/5 |
| Piracy | UU | Sorcery | Until end of turn, you may tap lands you don't control for mana. Spend this mana only to cast spells. |
| Benthic Explorers | 3U | Creature — Merfolk Scout | {T}, Untap a tapped land an opponent controls: Add one mana of any type that land could produce. 2/4 |
| Overabundance | 1RG | Enchantment | Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player. |