M:tG card similarity search
GU · Instant
The next spell you cast this turn can be cast as though it had flash. When you next cast a spell this turn, put X +1/+1 counters on up to one target creature, where X is the mana value of that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tidal Barracuda | 3U | Creature — Fish | Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn. 3/4 |
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Deafening Silence | W | Enchantment | Each player can't cast more than one noncreature spell each turn. |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Arcee, Acrobatic Coupe | Legendary Artifact — Vehicle | Living metal (As long as it's your turn, this Vehicle is also a creature.) Whenever you cast a spell that targets one or more creatures or Vehicles you control, put that many +1/+1 counters on Arcee. Convert Arcee. 2/2 | |
| Arcane Laboratory | 2U | Enchantment | Each player can't cast more than one spell each turn. |
| Rule of Law | 2W | Enchantment | Each player can't cast more than one spell each turn. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Breath of the Sleepless | 3U | Enchantment | You may cast Spirit spells as though they had flash. Whenever you cast a creature spell during an opponent's turn, tap up to one target creature. |
| Common Courtesy | 2UU | Enchantment | Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy. |