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 |
|---|---|---|---|
| Secluded Courtyard | Land | As Secluded Courtyard 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 or activate an ability of a creature source of the chosen type. | |
| Convincing Mirage | 1U | Enchantment — Aura | Enchant land As Convincing Mirage enters the battlefield, choose a basic land type. Enchanted land is the chosen type. |
| Phantasmal Terrain | UU | Enchantment — Aura | Enchant land As Phantasmal Terrain enters the battlefield, choose a basic land type. Enchanted land is the chosen type. |
| Outbreak | 3B | Sorcery | You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn. |
| Planar Overlay | 2U | Sorcery | Each player chooses a land they control of each basic land type. Return those lands to their owners' hands. |
| Myr Landshaper | 3 | Artifact Creature — Myr | {T}: Target land becomes an artifact in addition to its other types until end of turn. 1/1 |
| Contamination | 2B | Enchantment | At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. |
| A-Thran Portal | Land — Gate | As A-Thran Portal enters the battlefield, choose a basic land type. Thran Portal is the chosen type in addition to its other types. Mana abilities of A-Thran Portal cost an additional 1 life to activate. | |
| Amoeboid Changeling | 1U | Creature — Shapeshifter | Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn. 1/1 |
| Eloren Wilds | Plane — Shandalar | Whenever a player taps a permanent for mana, that player adds one mana of any type that permanent produced. Whenever chaos ensues, target player can't cast spells until a player planeswalks. |