M:tG card similarity search
1U · Creature — Sliver
Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. 1/1
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Whirlwind Denial | 2U | Instant | For each spell and ability your opponents control, counter it unless its controller pays {4}. |
| Kira, Great Glass-Spinner | 1UU | Legendary Creature — Spirit | Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability." 2/2 |
| Fractured Loyalty | 1R | Enchantment — Aura | Enchant creature Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature. (This effect lasts indefinitely.) |
| Mirrorshell Crab | 5UU | Artifact Creature — Crab | Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}. 5/7 |
| Glyph Keeper | 3UU | Creature — Sphinx | Flying Whenever Glyph Keeper becomes the target of a spell or ability for the first time each turn, counter that spell or ability. Embalm {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Sphinx with no mana cost. Embalm only as a sorcery.) 5/3 |
| Shapers' Sanctuary | G | Enchantment | Whenever a creature you control becomes the target of a spell or ability an opponent controls, you may draw a card. |
| 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 |
| Valkmira, Protector's Shield | 3W | Legendary Artifact | If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage. Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. |