M:tG card similarity search
GUU · Instant
Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Oaken Siren | 1U | Artifact Creature — Siren Pirate | Flying, vigilance {T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. 1/2 |
| Pithing Needle | 1 | Artifact | As Pithing Needle enters the battlefield, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities. |
| Whirlwind Denial | 2U | Instant | For each spell and ability your opponents control, counter it unless its controller pays {4}. |
| Kopala, Warden of Waves | 1UU | Legendary Creature — Merfolk Wizard | Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate. 2/2 |
| Frenzied Raider | 1R | Creature — Demon Berserker | Whenever you activate a boast ability, put a +1/+1 counter on Frenzied Raider. 2/2 |
| Voidmage Husher | 3U | Creature — Human Wizard | Flash (You may cast this spell any time you could cast an instant.) When Voidmage Husher enters the battlefield, counter target activated ability. (Mana abilities can't be targeted.) Whenever you cast a spell, you may return Voidmage Husher to its owner's hand. 2/2 |
| Well of Knowledge | 3 | Artifact | {2}: Draw a card. Any player may activate this ability but only during their draw step. |
| Sorcerous Spyglass | 2 | Artifact | As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities. |
| Gossamer Phantasm | 1U | Creature — Illusion | Flying When Gossamer Phantasm becomes the target of a spell or ability, sacrifice it. 2/1 |
| Illusionary Servant | 1UU | Creature — Illusion | Flying When Illusionary Servant becomes the target of a spell or ability, sacrifice it. 3/4 |