M:tG card similarity search
4 · Artifact
{4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Horizon Stone | 5 | Artifact | If you would lose unspent mana, that mana becomes colorless instead. |
| Runeflare Trap | 4RR | Instant — Trap | If an opponent drew three or more cards this turn, you may pay {R} rather than pay this spell's mana cost. Runeflare Trap deals damage to target player equal to the number of cards in that player's hand. |
| Cultivator Drone | 2U | Creature — Eldrazi Drone | Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.) 2/3 |
| Invoke Calamity | 1RRRR | Instant | You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity. |
| Zhur-Taa Ancient | 3RG | Creature — Beast | Whenever a player taps a land for mana, that player adds one mana of any type that land produced. 7/5 |
| 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. | |
| Fieldmist Borderpost | 1WU | Artifact | You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Fieldmist Borderpost enters the battlefield tapped. {T}: Add {W} or {U}. |
| Firewild Borderpost | 1RG | Artifact | You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Firewild Borderpost enters the battlefield tapped. {T}: Add {R} or {G}. |
| Mistvein Borderpost | 1UB | Artifact | You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Mistvein Borderpost enters the battlefield tapped. {T}: Add {U} or {B}. |
| Veinfire Borderpost | 1BR | Artifact | You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Veinfire Borderpost enters the battlefield tapped. {T}: Add {B} or {R}. |