M:tG card similarity search
1U · Instant
Counter target activated ability, triggered ability, or legendary spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Detainment Spell | W | Enchantment — Aura | Enchant creature Enchanted creature's activated abilities can't be activated. {1}{W}: Attach Detainment Spell to target creature. |
| Xathrid Gorgon | 5B | Creature — Gorgon | Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) {2}{B}, {T}: Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.) 3/6 |
| Flamescroll Celebrant | 1R | Creature — Human Shaman | Whenever an opponent activates an ability that isn't a mana ability, Flamescroll Celebrant deals 1 damage to that player. {1}{R}: Flamescroll Celebrant gets +2/+0 until end of turn. 2/1 |
| Necrotic Ooze | 2BB | Creature — Ooze | As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards. 4/3 |
| Lava Runner | 1RR | Creature — Lizard | Haste Whenever Lava Runner becomes the target of a spell or ability, that spell or ability's controller sacrifices a land. 2/2 |
| Unsettled Mariner | WU | Creature — Shapeshifter | Changeling (This card is every creature type.) Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. 2/2 |
| Amulet of Safekeeping | 2 | Artifact | Whenever you become the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. Creature tokens get -1/-0. |
| Manascape Refractor | 3 | Artifact | Manascape Refractor enters the battlefield tapped. Manascape Refractor has all activated abilities of all lands on the battlefield. You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities. |
| Sarah Jane Smith | 1W | Legendary Creature — Human Detective | Whenever you cast a historic spell, investigate. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Doctor's companion (You can have two commanders if the other is the Doctor.) 2/1 |
| Tocatli Honor Guard | 1W | Creature — Human Soldier | Creatures entering the battlefield don't cause abilities to trigger. 1/3 |