M:tG card similarity search
G/UG/U · Instant
Counter target activated or triggered ability. (Mana abilities can't be targeted.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Flash Counter | 1U | Instant | Counter target instant spell. |
| Lu Su, Wu Advisor | 3UU | Legendary Creature — Human Advisor | {T}: Draw a card. Activate only during your turn, before attackers are declared. 1/2 |
| Silumgar Sorcerer | 1UU | Creature — Human Wizard | Flash (You may cast this spell any time you could cast an instant.) Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Silumgar Sorcerer exploits a creature, counter target creature spell. 2/1 |
| Dimir Guildmage | U/BU/B | Creature — Human Wizard | ({U/B} can be paid with either {U} or {B}.) {3}{U}: Target player draws a card. Activate only as a sorcery. {3}{B}: Target player discards a card. Activate only as a sorcery. 2/2 |
| Null Brooch | 4 | Artifact | {2}, {T}, Discard your hand: Counter target noncreature spell. |
| Spark Rupture | 2W | Enchantment | When Spark Rupture enters the battlefield, draw a card. Each planeswalker with one or more loyalty counters on it loses all abilities and is a creature with power and toughness each equal to the number of loyalty counters on it. |
| Hydromorph Guardian | 2U | Creature — Elemental | {U}, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control. 2/2 |
| Nix | U | Instant | Counter target spell if no mana was spent to cast it. |
| Clockwork Avian | 5 | Artifact Creature — Bird | Flying Clockwork Avian enters the battlefield with four +1/+0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep. 0/4 |
| Xantcha, Sleeper Agent | 1BR | Legendary Creature — Phyrexian Minion | Xantcha, Sleeper Agent enters the battlefield under the control of an opponent of your choice. Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls. {3}: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability. 5/5 |