M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Solfatara | 2R | Instant | Target player can't play lands this turn. Draw a card at the beginning of the next turn's upkeep. |
| Intellectual Offering | 4U | Instant | Choose an opponent. You and that player each draw three cards. Choose an opponent. Untap all nonland permanents you control and all nonland permanents that player controls. |
| Extirpate | B | Instant | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Scalding Viper | 1R | Creature — Elemental Snake | Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. 2/1 |
| Citadel Gate | Land — Gate | Citadel Gate enters the battlefield tapped. As Citadel Gate enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color. | |
| Thriving Heath | Land | Thriving Heath enters the battlefield tapped. As Thriving Heath enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color. | |
| Adaptive Automaton | 3 | Artifact Creature — Construct | As Adaptive Automaton enters the battlefield, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1. 2/2 |
| Wayward Swordtooth | 2G | Creature — Dinosaur | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) You may play an additional land on each of your turns. Wayward Swordtooth can't attack or block unless you have the city's blessing. 5/5 |
| Risen Reef | 1GU | Creature — Elemental | Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. 1/1 |