M:tG card similarity search
U · Instant
As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Thwart | 2UU | Instant | You may return three Islands you control to their owner's hand rather than pay this spell's mana cost. Counter target spell. |
| Presence of the Master | 3W | Enchantment | Whenever a player casts an enchantment spell, counter it. |
| 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 |
| Vedalken Orrery | 4 | Artifact | You may cast spells as though they had flash. |
| Aether Barrier | 2U | Enchantment | Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}. |
| 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 | |
| Surgical Metamorph | 3U | Artifact Creature — Phyrexian Shapeshifter | This spell costs {1} less to cast if you weren't the starting player. You may have Surgical Metamorph enter the battlefield as a copy of any permanent on the battlefield, except it's an artifact in addition to its other types. 0/0 |
| Bag Check | 1UU | Instant | Counter target spell, then ask a person outside the game if that spell looks dangerous to them. If they say yes, draw a card, then discard a card. |
| Aerial Formation | U | Instant | Strive — This spell costs {2}{U} more to cast for each target beyond the first. Any number of target creatures each get +1/+1 and gain flying until end of turn. |
| Kindred Denial | 2UU | Instant | Counter target spell. Seek a card with the same mana value as that spell. |