M:tG card similarity search
U · Instant
Counter target activated or triggered ability. (Mana abilities can't be targeted.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Mirror-Shield Hoplite | RW | Creature — Human Soldier | Vigilance Whenever a creature you control becomes the target of a backup ability, copy that ability. You may choose new targets for the copy. This ability triggers only once each turn. 2/2 |
| Keeper of the Mind | UU | Creature — Human Wizard | {U}, {T}: Choose target opponent who had at least two more cards in hand than you did as you activated this ability. Draw a card. 1/2 |
| Squallmonger | 3G | Creature — Monger | {2}: Squallmonger deals 1 damage to each creature with flying and each player. Any player may activate this ability. 3/3 |
| 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 |
| Keeper of the Flame | RR | Creature — Human Wizard | {R}, {T}: Choose target opponent who had more life than you did as you activated this ability. Keeper of the Flame deals 2 damage to that player. 1/2 |
| Cultivator Drone | 2U | Creature — Eldrazi Drone | Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.) 2/3 |
| Agrus Kos, Eternal Soldier | 3W | Legendary Creature — Spirit Soldier | Vigilance Whenever Agrus Kos, Eternal Soldier becomes the target of an ability that targets only it, you may pay {1}{R/W}. If you do, copy that ability for each other creature you control that ability could target. Each copy targets a different one of those creatures. ({R/W} can be paid with either {R} or {W}.) 3/4 |
| Demotion | W | Enchantment — Aura | Enchant creature Enchanted creature can't block, and its activated abilities can't be activated. |
| 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.) |
| Warmonger | 3R | Creature — Minotaur Monger | {2}: Warmonger deals 1 damage to each creature without flying and each player. Any player may activate this ability. 3/3 |