M:tG card similarity search
4GG · Enchantment
If you tap a permanent for mana, it produces twice as much of that mana instead.
| Name | Mana | Type | Text |
|---|---|---|---|
| Chromatic Star | 1 | Artifact | {1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card. |
| Blood Celebrant | B | Creature — Human Cleric | {B}, Pay 1 life: Add one mana of any color. 1/1 |
| Cobra Trap | 4GG | Instant — Trap | If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay this spell's mana cost. Create four 1/1 green Snake creature tokens. |
| Gemstone Caverns | Legendary Land | If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color. | |
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |
| 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}. |
| Wildfield Borderpost | 1GW | 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. Wildfield Borderpost enters the battlefield tapped. {T}: Add {G} or {W}. |