M:tG card similarity search
2 · Artifact
Whenever a player casts a green spell, you may pay {3}. If you do, untap target permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mind Swords | 1B | Sorcery | If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Each player exiles two cards from their hand. |
| Key to the City | 2 | Artifact | {T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card. |
| Curse of Exhaustion | 2WW | Enchantment — Aura Curse | Enchant player Enchanted player can't cast more than one spell each turn. |
| Giant Oyster | 2UU | Creature — Oyster | You may choose not to untap Giant Oyster during your untap step. {T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature. 0/3 |
| Yavimaya Barbarian | RG | Creature — Elf Barbarian | Protection from blue 2/2 |
| Cankerous Thirst | 3B/G | Instant | If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.) |
| Haazda Snare Squad | 2W | Creature — Human Soldier | Whenever Haazda Snare Squad attacks, you may pay {W}. If you do, tap target creature an opponent controls. 1/4 |
| Second Guess | 1U | Instant | Counter target spell that's the second spell cast this turn. |
| Lay Claim | 5UU | Enchantment — Aura | Enchant permanent You control enchanted permanent. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Omniscience | 7UUU | Enchantment | You may cast spells from your hand without paying their mana costs. |