M:tG card similarity search
5GG · Enchantment
Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.
| 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. | 
| Ancient Ziggurat | Land | {T}: Add one mana of any color. Spend this mana only to cast a creature spell. | |
| Imperiosaur | 2GG | Creature — Dinosaur | Spend only mana produced by basic lands to cast this spell. 5/5 | 
| Humble Naturalist | 1G | Creature — Human Druid | {T}: Add one mana of any color. Spend this mana only to cast a creature spell. 1/3 | 
| Dawn's Reflection | 3G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors. | 
| Market Festival | 3G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors. | 
| Unclaimed Territory | Land | As Unclaimed Territory enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type. | |
| Pale Moon | 1U | Instant | Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type. | 
| Obsidian Obelisk | 2 | Artifact | Obsidian Obelisk enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. | 
| Cactus Preserve | Land — Desert | Cactus Preserve enters the battlefield tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, Cactus Preserve becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land. |