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 |
|---|---|---|---|
| Chaos Moon | 3R | Enchantment | At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type. |
| Red Death, Shipwrecker | UR | Legendary Creature — Crab Mutant | Alluring Eyes — {T}: Goad target creature an opponent controls. That player draws a card. You add {R}. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) 1/3 |
| Quirion Druid | 2G | Creature — Elf Druid | {G}, {T}: Target land becomes a 2/2 green creature that's still a land. (This effect lasts indefinitely.) 1/2 |
| Mana Breach | 2U | Enchantment | Whenever a player casts a spell, that player returns a land they control to its owner's hand. |
| The Flood of Mars | 2UU | Creature — Alien Zombie Horror | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Water Always Wins — Whenever The Flood of Mars attacks, put a flood counter on another target creature or land. If it's a creature, it becomes a copy of The Flood of Mars. If it's a land, it becomes an Island in addition to its other types. 3/3 |
| Authority | 1W | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) Tap up to two target creatures your opponents control. Creatures you control gain vigilance until end of turn. |
| Sealock Monster | 3UU | Creature — Octopus | Sealock Monster can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types. 5/5 |
| Clambassadors | 3U | Creature — Clamfolk | Whenever Clambassadors deals damage to a player, choose an artifact, creature, or land you control. That player gains control of that permanent. 4/4 |
| Nissa, Steward of Elements | XGU | Legendary Planeswalker — Nissa | [+2]: Scry 2. [0]: Look at the top card of your library. If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa, Steward of Elements, you may put that card onto the battlefield. [−6]: Untap up to two target lands you control. They become 5/5 Elemental creatures with flying and haste until end of turn. They're still lands. Loyalty X |
| Groundskeeper | G | Creature — Human Druid | {1}{G}: Return target basic land card from your graveyard to your hand. 1/1 |