M:tG card similarity search
1U · Instant
Counter target activated ability, triggered ability, or legendary spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Repeated Reverberation | 2RR | Instant | When you next cast an instant spell, cast a sorcery spell, or activate a loyalty ability this turn, copy that spell or ability twice. You may choose new targets for the copies. |
| Accident-Prone Apprentice | 1R | Creature — Otter Wizard | Whenever you cast a noncreature spell, Accident-Prone Apprentice perpetually gets +1/+1. This ability also triggers if Accident-Prone Apprentice is in exile. 1/1 |
| Drought | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs. |
| Artifact Possession | 2B | Enchantment — Aura | Enchant artifact Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, Artifact Possession deals 2 damage to that artifact's controller. |
| Deadlock Trap | 3 | Artifact | Deadlock Trap enters the battlefield tapped. When Deadlock Trap enters the battlefield, you get {E}{E} (two energy counters). {T}, Pay {E}: Tap target creature or planeswalker. Its activated abilities can't be activated this turn. |
| Oona's Prowler | 1B | Creature — Faerie Rogue | Flying Discard a card: Oona's Prowler gets -2/-0 until end of turn. Any player may activate this ability. 3/1 |
| Chance-Met Elves | 2G | Creature — Elf Warrior | Whenever you scry, put a +1/+1 counter on Chance-Met Elves. This ability triggers only once each turn. 3/2 |
| Loreseeker's Stone | 6 | Artifact | {3}, {T}: Draw three cards. This ability costs {1} more to activate for each card in your hand. |
| Prison Term | 1WW | Enchantment — Aura | Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated. Whenever a creature enters the battlefield under an opponent's control, you may attach Prison Term to that creature. |
| Volrath's Dungeon | 2BB | Enchantment | Pay 5 life: Destroy Volrath's Dungeon. Any player may activate this ability but only during their turn. Discard a card: Target player puts a card from their hand on top of their library. Activate only as a sorcery. |